{"id":2696,"date":"2026-03-19T05:46:33","date_gmt":"2026-03-19T05:46:33","guid":{"rendered":"https:\/\/wormreducer.net\/?post_type=product&p=2696"},"modified":"2026-03-27T02:12:03","modified_gmt":"2026-03-27T02:12:03","slug":"ep-door-gearbox-reducer-motor","status":"publish","type":"product","link":"https:\/\/wormreducer.net\/ru\/product\/ep-door-gearbox-reducer-motor\/","title":{"rendered":"\u0420\u0435\u0434\u0443\u043a\u0442\u043e\u0440 \u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u0442\u0435\u043b\u044c \u0434\u043b\u044f \u0434\u0432\u0435\u0440\u0435\u0439 EP"},"content":{"rendered":"
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1. Technical Specifications \u2014 EP-Series Door Gearbox Reducer<\/h2>\n

The table below covers all four gear reducer frame sizes. Values reflect standard production configurations; application-specific variants (non-standard ratios, special shaft geometries, low-temperature options) are available on request.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\nRV050
\n\u0427\u0435\u0440\u0432\u044c<\/span><\/th>\n		RV063
\n\u0427\u0435\u0440\u0432\u044c<\/span><\/th>\n		BRC01
\nHelical-Bevel<\/span><\/th>\n		BRC02
\nHelical-Bevel<\/span><\/th>\n<\/tr>\n<\/thead>\n
Rated Output Torque (Nm)<\/strong><\/td>\nUp to 80<\/td>\nUp to 150<\/td>\nUp to 250<\/td>\nUp to 380<\/td>\n<\/tr>\n
Peak \/ Breakaway Torque (Nm)<\/strong><\/td>\n120<\/td>\n225<\/td>\n375<\/td>\n570<\/td>\n<\/tr>\n
\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u043f\u0435\u0440\u0435\u0434\u0430\u0442\u043e\u0447\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b<\/strong><\/td>\n5 \u2013 50<\/td>\n5 \u2013 80<\/td>\n10 \u2013 80<\/td>\n10 \u2013 100<\/td>\n<\/tr>\n
Input Speed \u2014 Max (RPM)<\/strong><\/td>\n3 000<\/td>\n3 000<\/td>\n3 000<\/td>\n3 000<\/td>\n<\/tr>\n
Gear Stage Type<\/strong><\/td>\nSingle-stage worm gear<\/td>\nTwo-stage helical-bevel gear<\/td>\n<\/tr>\n
Mechanical Efficiency<\/strong><\/td>\n\u2265 72 %<\/td>\n\u2265 92 %<\/td>\n<\/tr>\n
Self-Locking (back-drive)<\/strong><\/td>\nYes (at ratio \u2265 20 : 1)<\/td>\nNo \u2014 brake required if needed<\/td>\n<\/tr>\n
Matched Motor Power (kW)<\/strong><\/td>\n0.55<\/td>\n0.75<\/td>\n1.1<\/td>\n1.5<\/td>\n<\/tr>\n
Motor Type (standard)<\/strong><\/td>\nBrushless DC (BLDC) with integrated controller<\/td>\n<\/tr>\n
Supply Voltage<\/strong><\/td>\n24 V DC \/ 48 V DC \/ 110\u2013240 V AC (controller-selectable)<\/td>\n<\/tr>\n
Enclosure Rating<\/strong><\/td>\nIP55 standard \u00a0|\u00a0 IP65 on request<\/td>\n<\/tr>\n
\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u0439 \u0441\u0440\u0435\u0434\u044b<\/strong><\/td>\n\u201320 \u00b0C to +45 \u00b0C ( \u20134 \u00b0F to 113 \u00b0F)<\/td>\n<\/tr>\n
Gear Housing Material<\/strong><\/td>\nDie-cast aluminium alloy EN AC-46000; SS option available<\/td>\n<\/tr>\n
\u0421\u043c\u0430\u0437\u043a\u0430<\/strong><\/td>\nISO VG 220 synthetic; oil-bath; service interval 8 000 h<\/td>\n<\/tr>\n
Output Bearing L10 Life<\/strong><\/td>\n\u2265 20 000 h at rated load<\/td>\n<\/tr>\n
Noise Level (no-load)<\/strong><\/td>\n< 62 dB(A) at 1 m<\/td>\n<\/tr>\n
Mounting Options<\/strong><\/td>\nFlange-mount (B5\/B14) \u00b7 Foot-mount \u00b7 Hollow-shaft adapter<\/td>\n<\/tr>\n
Approx. Weight (gear unit only)<\/strong><\/td>\n4.2 kg<\/td>\n6.8 kg<\/td>\n9.5 kg<\/td>\n13.2 kg<\/td>\n<\/tr>\n
\u041a\u043b\u0430\u0441\u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447<\/strong><\/td>\nISO 14521 (worm)<\/td>\nDIN 6 \/ ISO 6336 (helical)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* All specifications based on standard production data. Verify against certified engineering drawing before final design commitment.<\/p>\n

\"wormreducer-products-for-EP-Door<\/p>\n

2. Five Key Engineering Facts of door gearbox reducer<\/h2>\n

\u25b6\u00a0 Gear reducer models:<\/strong> RV050 (worm), RV063 (worm), BRC01 (helical-bevel), BRC02 (helical-bevel) \u2014 four gear unit configurations optimized for different door weight classes.<\/p>\n

\u25b6\u00a0 Gear ratio range:<\/strong> 5: 1 to 100: 1 in standard steps, selectable at time of order to match the required output speed and torque at the door drum or rack.<\/p>\n

\u25b6\u00a0 Drive package:<\/strong> The gear reducer ships as a standalone unit or as a matched assembly with an integrated brushless DC drive motor and controller \u2014 both options use the same gear housing for field interchangeability.<\/p>\n

\u25b6\u00a0 \u042d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c:<\/strong> BRC helical-bevel gear stage \u2265 92 %; RV worm gear stage \u2265 72 % with self-locking characteristic \u2014 each suited to a different duty profile.<\/p>\n

\u25b6\u00a0 Modular cartridge:<\/strong> The drive motor detaches from the gear head without disturbing shaft alignment, enabling independent replacement of either sub-assembly and cutting mean-time-to-repair significantly.<\/p>\n<\/div>\n

<\/p>\n

3. What Is a Door Gearbox Reducer \u2014 and What Role Does It Play?<\/h2>\n

\u0410 door gearbox reducer<\/strong> \u2014 also described in engineering documentation as a door gear reducer<\/strong>, door speed reducer<\/strong>, or simply a door gear unit \u2014 is the core mechanical sub-assembly in any powered door system. Its function is straightforward: accept high-speed, low-torque rotation from a drive motor at the input shaft, step down the speed through one or more gear stages, and deliver slow, high-torque rotation at the output shaft. That output connects to the door’s torsion drum, chain sprocket, rack-and-pinion rail, or belt drive, translating rotational energy into linear door movement.<\/p>\n

What makes specifying a door gearbox reducer<\/strong> different from selecting a general-purpose gear unit is the combination of duty characteristics unique to door applications. Most industrial gearboxes are designed for continuous, steady-state operation at a fixed load. A door drive, by contrast, operates in short bursts \u2014 a typical 10-second opening cycle, a dwell period, then a 10-second closing cycle \u2014 potentially hundreds of times per day. Each cycle involves a start under load, peak torque demand at breakaway, brief steady-state travel, and a controlled deceleration. The gear reducer must handle this repetitive transient loading throughout a service life measured in millions of cycles, not operating hours.<\/p>\n

The EP-series door gearbox reducer<\/strong> was designed around these specific demands. The worm gear configurations (RV050, RV063) provide inherent back-driving resistance \u2014 a property that holds the door panel stationary under gravity or wind pressure without requiring a separate holding brake, which matters for fire-rated and security applications. The helical-bevel configurations (BRC01, BRC02) trade that self-locking characteristic for significantly higher mechanical efficiency, which matters when a door cycles two hundred or more times per day and energy cost adds up over a three-year operational horizon.<\/p>\n

Understanding the distinction between the door gear reducer<\/strong> and the drive motor is also important for maintenance planning. The gear reducer is the long-life component in the assembly \u2014 properly lubricated and sealed, a quality gear unit will outlast two or three motor replacement cycles. Sourcing a door gearbox reducer<\/strong> that separates cleanly from the motor \u2014 as the EP modular cartridge design does \u2014 means that a motor failure does not require replacement of the entire gear unit, and a gear-stage wear event does not require purchasing a new motor. Each sub-assembly is serviced or replaced on its own schedule.<\/p>\n

<\/p>\n

<\/p>\n

4. Five Reasons Engineers Specify the EP Door Gearbox Reducer<\/h2>\n
\n
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1. Gear Reducer First, Motor Second<\/strong><\/p>\n

The EP platform is designed as a door gear reducer<\/strong> \u2014 the gear unit is the primary structural and torque-handling component. The drive motor attaches to a standardized input flange, which means you can pair the same gear housing with different motor types: brushless DC, AC induction, or permanent-magnet synchronous. This separation of concerns protects your gear unit investment when drive-motor technology changes.<\/p>\n<\/div>\n

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2. Two-Gear Stages \u2014 Matched to Duty<\/strong><\/p>\n

The worm stage in the RV-series door speed reducer<\/strong> delivers mechanical self-locking \u2014 the door stays put on power failure without an external brake. The helical-bevel stage in the BRC-series door gear reducer<\/strong> sacrifices the self-locking for 92 %+ efficiency. Having both architectures in the same frame family means you select by duty requirement, not by what the supplier happens to stock.<\/p>\n<\/div>\n

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3. Gear Unit and Motor Replace Independently<\/strong><\/p>\n

The motor cartridge detaches from the gear housing in under fifteen minutes using standard hand tools. A bearing failure in the gear unit does not require motor replacement; a burned motor winding does not mean sourcing a new door gearbox reducer<\/strong>. Modular separation is a direct reduction in lifecycle parts cost, particularly for facilities carrying spare parts inventory.<\/p>\n<\/div>\n

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4. Gear Ratios Cover the Full Application Range<\/strong><\/p>\n

From a 5 : 1 ratio for fast-cycling light curtain doors to 100: 1 for slow-travel heavy fire-rated panels, the EP door gearbox reducer<\/strong> series covers a speed-reduction range that typically requires two or three separate product families from other suppliers. A single spare-parts kit covers the entire fleet when a facility operates multiple door types.<\/p>\n<\/div>\n

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5. Fully Documented for U.S. Compliance Review<\/strong><\/p>\n

Every EP-series door gear reducer<\/strong> ships with a documentation package that includes a gear-load calculation summary (ISO 6336 \/ ISO 14521), material certification, lubricant data sheet, dimensional drawing, and wiring schematic for the motor controller. This package is accepted by the AHJs and listing engineers who review UL 325 system submissions without back-and-forth requests for additional data.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

5. How the Door Gearbox Reducer Works<\/h2>\n

The operating principle of the EP-series door gearbox reducer<\/strong> follows a logical three-stage sequence: signal input and motor start \u2192 speed reduction through the gear unit \u2192 output torque delivered to the door mechanism. Understanding each stage helps maintenance engineers diagnose faults and procurement engineers write accurate specifications.<\/p>\n

Stage 1 \u2014 Controlled motor start.<\/strong> A command signal from a wall button, vehicle-loop detector, or building automation relay energizes the drive motor controller. The controller ramps motor current over a configurable soft-start period \u2014 typically 0.5 to 3 seconds \u2014 before the motor reaches running speed. This ramp prevents the sudden torque shock that would otherwise be transmitted through the gear reducer input shaft and into the door hardware at every cycle start. The brushless DC motor’s Hall-effect sensors feed rotor-position data to the controller at 3 000 points per revolution, enabling closed-loop speed regulation even as the door load varies with wind pressure or weatherstrip friction.<\/p>\n

Stage 2 \u2014 Gear reduction.<\/strong> The motor shaft drives the door gearbox reducer<\/strong> input at up to 3 000 RPM. In the RV-series worm configuration, a case-hardened steel worm engages a bronze worm wheel. The geometry of the worm-wheel mesh converts high input speed to low output speed while multiplying torque proportionally to the gear ratio \u2014 a 20 : 1 ratio, for example, reduces speed by a factor of twenty and multiplies torque approximately seventeen-fold (accounting for worm-gear efficiency losses). The worm geometry also provides the self-locking characteristic that resists back-driving from the output shaft. In the BRC-series helical-bevel configuration, the input bevel stage redirects the shaft axis by 90 degrees while providing the first stage of speed reduction; a second helical stage provides the balance of the ratio. The helical tooth engagement produces lower instantaneous contact stresses than the worm mesh, which is why helical-bevel gear reducers sustain higher efficiency over long duty cycles.<\/p>\n

Stage 3 \u2014 Output to door mechanism.<\/strong> The low-speed output shaft of the door speed reducer<\/strong> connects to the door’s torsion drum, chain wheel, or rack-and-pinion system through a keyed or hollow-shaft connection. As the output shaft rotates, the door panel moves along its guide rails. When the door reaches its programmed limit position, the controller decelerates the motor using regenerative braking \u2014 recovering kinetic energy rather than burning it off in friction \u2014 and the door settles at the limit position. In the RV worm gear reducer at ratios above 20 : 1, mechanical self-locking holds the panel in position through the dwell period without any brake current draw.<\/p>\n

<\/p>\n

6. Materials and Metallurgy of the door gearbox reducer<\/h2>\n

Material specification in a door gearbox reducer is not a cosmetic decision. The gear unit is the primary load-bearing and life-determining sub-assembly in the door drive system. The following material grades are used in the EP-series door gearbox reducer across each functional zone:<\/p>\n

Gear housing.<\/strong> Die-cast aluminium alloy EN AC-46000 (ASTM A380 equivalent), powder-coated to 60 \u00b5m minimum dry film thickness in polyester-TGIC chemistry. Aluminium offers high thermal conductivity \u2014 approximately five times that of cast iron at comparable wall thickness \u2014 which draws heat from the gear oil and maintains stable viscosity between service intervals. Optional 316L stainless-steel housing is available for alkaline wash-down environments in food and pharmaceutical facilities.<\/p>\n

Worm gear set (RV-series door speed reducer).<\/strong> The worm shaft is machined from AISI 4140 alloy steel, induction-hardened on the tooth flanks to HRC 56\u201360, ground to a surface finish Ra \u2264 0.4 \u00b5m. The worm wheel is centrifugally cast from ASTM B148 C95400 aluminium bronze \u2014 a material selected because its low coefficient of friction against hardened steel suppresses adhesive wear while its tensile strength of 515 MPa minimum resists pitting fatigue at cyclic loading typical of door drive applications.<\/p>\n

Helical-bevel gear set (BRC-series door gear reducer).<\/strong> All gear elements cut from 20CrMnTi carburising steel, case-hardened to an effective case depth of 0.6\u20130.9 mm and core hardness HRC 33\u201345 after quenching and tempering. Tooth flanks ground after heat treatment to DIN 6 accuracy class \u2014 Ra \u2264 0.8 \u00b5m flank finish \u2014 which is the principal reason helical-bevel gear units run quieter and more efficiently than worm units of comparable ratio.<\/p>\n

Output shaft and bearings.<\/strong> The output shaft is machined from AISI 4340 alloy steel to h6 dimensional tolerance. Output-stage bearings are either deep-groove ball bearings (DIN 625) for the RV050 and RV063, or matched tapered roller bearing pairs (DIN 720) for the BRC01 and BRC02 to handle the combined radial and axial loads of heavy door drum assemblies. L10 rated life is \u2265 20 000 hours at nameplate torque output.<\/p>\n

Seals.<\/strong> Double-lip FKM (Viton) rotary shaft seals at input and output shafts, rated for continuous immersion in ISO VG 220 synthetic oil and intermittent pressure washing consistent with IP55 classification. The FKM lip compound also resists the mild acids and alkalis present in condensation and washdown water at food and cold-storage facilities.<\/p>\n

<\/p>\n

7. Application Scenarios of the Door Gearbox Reducer<\/h2>\n

The EP-series door gearbox reducer is specified across a wide range of door types and facility categories. The grid below covers the primary deployment contexts, each with the recommended gear unit configuration and the selection rationale engineers use in practice.<\/p>\n

\n
\n

Warehouse Roll-Up and Sectional Doors<\/strong><\/p>\n

Recommended: BRC01 or BRC02<\/em><\/p>\n

Distribution-center overhead doors running 250\u2013400 cycles per day generate significant cumulative heat in the gear reducer. The BRC helical-bevel door gear reducer<\/strong> sustains \u2265 92 % efficiency at duty \u2014 reducing oil temperature rise by roughly 40 % compared with a worm-gear alternative at the same ratio \u2014 which translates directly to extended lubrication service intervals and longer gear surface life.<\/p>\n<\/div>\n

\n

Cold-Storage Sliding and Hinged Doors<\/strong><\/p>\n

Recommended: BRC01, low-temperature option<\/em><\/p>\n

Blast-freezer and controlled-atmosphere storage doors operate in ambient air as low as \u201322 \u00b0C. The EP door speed reducer<\/strong> low-temperature specification uses ISO VG 220 fully synthetic polyglycol gear oil rated to \u201340 \u00b0C pour point, eliminating the viscosity surge that causes cold-start bearing starvation in mineral-oil-filled units.<\/p>\n<\/div>\n

\n

Logistics Bay and Dock-Leveler Doors<\/strong><\/p>\n

Recommended: BRC01 or BRC02<\/em><\/p>\n

Loading-dock doors face high cycle counts combined with impact risk from forklift traffic. The BRC-series door gearbox reducer<\/strong> hollow-shaft output adapter eliminates the chain-drive transmission \u2014 a common maintenance point \u2014 by coupling directly to the door’s torsion shaft. The tapered roller bearing output stage absorbs impact-induced shaft deflection that would fatigue the output shaft of a standard ball-bearing unit.<\/p>\n<\/div>\n

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Fire-Rated and Smoke-Control Doors<\/strong><\/p>\n

Recommended: RV063, ratio \u2265 20 : 1<\/em><\/p>\n

NFPA 80 requires powered fire doors to fail safe \u2014 closing and latching under gravity or spring force without electrical power. The RV-series worm door gear reducer<\/strong> at ratios of 20 : 1 and above provides mechanical self-locking that satisfies this requirement without an electromagnetic holding brake, simplifying the circuit design required for UL 325 system listing.<\/p>\n<\/div>\n

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Food Processing and Pharmaceutical Cleanrooms<\/strong><\/p>\n

Recommended: BRC01 SS, IP65<\/em><\/p>\n

Hygienic zones require drive hardware that resists daily alkaline or acid wash-down without corrosion of the gear housing or contamination of the food-contact environment. The stainless-steel housing variant of the EP door gear reducer<\/strong> carries IP65 ingress protection and is compatible with NSF\/ANSI 169 wash-down requirements applicable in USDA-regulated processing facilities.<\/p>\n<\/div>\n

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Aircraft Hangars and Auto Dealerships<\/strong><\/p>\n

Recommended: BRC02, hollow-shaft<\/em><\/p>\n

Large-span bi-fold and sliding hangar doors can weigh 500\u2013900 kg per leaf. The BRC02 door gearbox reducer<\/strong> at 60 : 1 or 80 : 1 provides up to 380 Nm continuous output torque \u2014 sufficient for most single-leaf hangar door installations \u2014 in a 13.2 kg package that fits existing header brackets without structural modification in the majority of retrofit projects.<\/p>\n<\/div>\n<\/div>\n

\"wormreducer-products-for-EP-Door<\/p>\n

8. Regulatory Framework \u2014 United States and Major Export Markets<\/h2>\n

Specifying a heavy-duty door gear reducer for a U.S. facility requires verifying conformance with the safety and product-liability standards enforced by the authority having jurisdiction (AHJ) at the installation site. The EP-series\u00a0door gearbox reducer is designed to meet the following frameworks:<\/p>\n

United States.<\/strong> UL 325 (Door, Drapery, Gate, Louver, and Window Operators) is the primary safety standard for powered door systems in the U.S. The EP controller interfaces with UL 325\u2013listed entrapment-protection devices (monitored sensing edges, photo-eye beams). The gear reducer’s current-monitoring output provides the secondary entrapment detection required by UL 325 without a separate force-limiting device. NEMA MG-1 motor efficiency categories apply to the drive motor; the paired brushless DC motor exceeds the IE4 super-premium threshold referenced in DOE motor rulemaking 10 CFR Part 431. NFPA 80 governs powered fire-door assemblies; the RV-series worm door speed reducer satisfies the mechanical fail-safe requirement. OSHA 29 CFR 1910.217 and ANSI\/ASSE A10.44 apply at industrial workplaces.<\/p>\n

European Union.<\/strong> The Machinery Regulation (EU) 2023\/1230 \u2014 successor to the Machinery Directive 2006\/42\/EC, applicable from January 2027 \u2014 requires CE marking supported by a Declaration of Conformity and technical file. The Low Voltage Directive 2014\/35\/EU applies to the integrated drive controller. EN 13241 (Industrial, Commercial, and Garage Doors) defines the essential requirements for the complete door assembly; EN 60335-2-103 covers residential door operators. RoHS 3 (Directive 2015\/863) compliance is confirmed for all EP-series assemblies.<\/p>\n

Canada.<\/strong> CSA C22.2 No. 247 (Rotating Electrical Machines) and CSA C22.2 No. 0 apply to the motor and controller. ULC-S524 governs integration with fire-alarm systems for fire-rated door applications. The EP-series controller software conforms to IEC 62061 SIL 2 functional-safety requirements when paired with appropriate safety sensors, satisfying the risk-assessment obligations under provincial Occupational Health and Safety regulations.<\/p>\n

Germany \/ DACH Region.<\/strong> DIN 18650 (Powered Pedestrian Doors) limits the closing force to 65 N and the kinetic energy at contact to 2 J. The adjustable deceleration profile of the EP controller can be set to comply with these limits without additional hardware. DGUV Regel 108-006 (formerly BGR 232) governs industrial-door safety at commercial workplaces. BRC-series gear reducers used on high-speed industrial doors also fall under EN 13241:2003+A2:2016 performance requirements for the door assembly as a whole.<\/p>\n

Australia and New Zealand.<\/strong> AS\/NZS 5010 (Automatic Doors) and the corresponding WHS regulations require risk-assessment documentation and guarding consistent with ISO 13857. The EP-series documentation package includes the force-torque data required for the risk-assessment record. Safe-torque-off (STO) signal output of the controller is compatible with AS 4024.3302 safety-circuit requirements.<\/p>\n

ISO Global Standards.<\/strong> Manufacturing quality is governed by ISO 9001: 2015. Worm-gear load capacity is calculated to ISO 14521; helical-bevel gear capacity to ISO 6336. The overall gear reducer unit design conforms to ISO 23125 (Automatic Door Systems). These internationally recognized standards support product-liability documentation in any jurisdiction where the door gearbox reducer is installed.<\/p>\n

<\/p>\n

9. Installation Steps \u2014 EP Door Gearbox Reducer<\/h2>\n
\n
\n
1<\/div>\n
Pre-installation selection check.<\/strong> Confirm that the selected door gearbox reducer<\/strong> frame size and gear ratio match the door’s panel weight, drum diameter, and target opening speed. Verify supply voltage, frequency, and available circuit current against the motor-controller nameplate. Confirm mounting surface flatness within 0.3 mm over the bracket footprint.<\/div>\n<\/div>\n
\n
2<\/div>\n
Mechanical mounting.<\/strong> Secure the gear reducer housing to the door header bracket with Grade 8 fasteners torqued to the values specified in the dimensional drawing. For hollow-shaft models, slide the output bore onto the door torsion shaft and lock the torque-arm anti-rotation bracket to the door frame. Do not apply axial loads to the output shaft during positioning.<\/div>\n<\/div>\n
\n
3<\/div>\n
Electrical connection.<\/strong> Wire mains supply through a correctly rated over-current protective device. Connect limit switches, entrapment-protection sensors, and control-signal wiring per the supplied wiring schematic. For 24 V DC power runs exceeding 5 m, use minimum 16 AWG (1.5 mm\u00b2) conductors to limit voltage drop below 3 %.<\/div>\n<\/div>\n
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4<\/div>\n
Controller parameter setup.<\/strong> Set the gear ratio value, soft-start ramp time (0.5\u20133 s), maximum torque limit, and open\/close position limits via DIP switch or programming keypad. Run a manual jog to confirm correct direction of travel before setting limits. Record all parameter values in the installation log.<\/div>\n<\/div>\n
\n
5<\/div>\n
Commissioning and safety verification.<\/strong> Perform full-cycle tests \u2014 unloaded and loaded \u2014 confirming soft-start, travel speed, deceleration profile, and limit-stop behavior. Test entrapment-protection reversal response and verify measured closing force falls within the limits required by UL 325 or the applicable local standard. File the commissioning record with the facility maintenance department.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

10. \u041e \u043d\u0430\u0441<\/h2>\n

We are a specialist manufacturer of industrial gear reducers and integrated drive systems, with a dedicated engineering focus on door gearbox reducer technology for automatic door applications across North American and international markets. Our production facility holds ISO 9001: 2015 certification and operates a quality management system that tracks every unit from raw material incoming inspection through gear-tooth profile measurement, assembled-unit no-load and full-load test, and final outgoing audit \u2014 all traceable by serial number.<\/p>\n

Our application engineers have accumulated more than twenty years of field experience specifying door gear reducers for distribution facilities, cold-storage operations, food-processing plants, and commercial building projects throughout the United States and Canada. When you provide a door weight, daily cycle count, available voltage, and site temperature range, we return a written gear-reducer recommendation.<\/p>\n

\u041c\u0430\u0441\u0442\u0435\u0440-\u043a\u043b\u0430\u0441\u0441<\/h3>\n
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\"\u0446\u0435\u0445<\/div>\n
\"\u041b\u0438\u043d\u0438\u044f<\/div>\n
\"\u0421\u0442\u0430\u043d\u0446\u0438\u044f<\/div>\n
\"\u0418\u0441\u043f\u044b\u0442\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/div>\n
\"\u0418\u0441\u043f\u044b\u0442\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/div>\n<\/div>\n

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11. Related Products \u2014 Complete the Drive System<\/h2>\n
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\u041c\u043e\u0442\u043e\u0440\u044b<\/strong><\/p>\n

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\"wormreducer-relatedproducts-motor\"<\/p>\n<\/div>\n<\/div>\n

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\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b<\/h2>\n
\nQ1. \u00a0What is the correct way to select a door gearbox reducer for a heavy warehouse loading dock door in the United States that cycles more than 250 times per day?<\/summary>\n
\n

For a U.S. distribution facility running 250-plus dock-door cycles per day, the starting selection is BRC01 or BRC02 \u2014 the helical-bevel series of the EP door gearbox reducer<\/strong> platform. The BRC stage sustains \u2265 92 % mechanical efficiency at continuous high-frequency duty, which prevents the gear-oil temperature rise that accelerates worm-wheel surface fatigue in RV-series worm reducers under the same cycle count. Model selection between BRC01 and BRC02 follows door panel weight: BRC01 handles doors up to approximately 350 kg; BRC02 covers panels up to 600 kg. Provide us with door weight, drum diameter, and target opening time, and we will confirm the gear ratio in writing.<\/p>\n<\/div>\n<\/details>\n

\nQ2. \u00a0What is the difference between a door gearbox reducer, a door gear reducer, and a door speed reducer \u2014 are these the same product?<\/summary>\n
\n

All three terms describe the same functional component: a gear unit mounted at the door drive position that reduces motor speed and multiplies torque to drive the door mechanism. Door gearbox reducer<\/em> \u0438 door gear reducer<\/em> emphasize the gear-unit (gearbox) character of the assembly; door speed reducer<\/em> emphasizes the speed-reduction function. In engineering procurement documentation, any of the three terms is acceptable and will be understood by suppliers. Where you may see a meaningful distinction is between a standalone door gear reducer<\/strong> \u2014 the gear unit only, without a motor \u2014 and a door gear motor<\/em> assembly, which is the gear unit pre-mounted with a matched drive motor as a single packaged unit. The EP-series ships either way.<\/p>\n<\/div>\n<\/details>\n

\nQ3.\u00a0 Which gear ratio should I specify for a commercial door gearbox reducer on a 4 m sectional door that needs to open fully in 10 seconds?<\/summary>\n
\n

The gear ratio calculation requires knowing the door drum diameter. Using a standard 100 mm torsion-spring drum, the drum circumference is \u03c0 \u00d7 100 mm \u2248 314 mm per revolution. To lift 4 m of door in 10 seconds, the drum needs to complete 4 000 \u00f7 314 \u2248 12.7 revolutions in 10 seconds \u2014 approximately 76 RPM output speed. With a BLDC motor input at 1 500 RPM, the required gear ratio is 1 500 \u00f7 76 \u2248 20 : 1. The RV063 or BRC01 door gear reducer<\/strong> at a 20 : 1 ratio covers this application for doors up to 350 kg. For heavier panels or different drum diameters, share your dimensions and we will confirm the ratio calculation in writing before you place the order.<\/p>\n<\/div>\n<\/details>\n

\nQ4. \u00a0Does the worm-stage door speed reducer really hold the door without a brake, and is this accepted in fire-door applications in the United States?<\/summary>\n
\n

Yes, with an important qualification. The self-locking behavior of a worm gear stage is reliable only when the worm lead angle is sufficiently low relative to the friction angle \u2014 typically this applies at ratios of 20 : 1 and above in the EP RV-series door speed reducer<\/strong>. At ratios below 20 : 1 the worm may back-drive under impact or vibration, and an external brake is required. For fire-rated door applications under NFPA 80, the mechanical self-locking of the worm gear reducer satisfies the fail-safe closing requirement when the gear ratio is confirmed to be in the self-locking range. This is documented in our application data sheet and accepted by the listing engineers who review UL 325 system submissions. Confirm the specific gear ratio with our application team before finalizing the specification for any fire-door installation.<\/p>\n<\/div>\n<\/details>\n

\nQ5.\u00a0 What makes a helical-bevel door gearbox reducer quieter than a worm-gear door speed reducer at the same output ratio?<\/summary>\n
\n

The acoustic difference between the two gear-stage types comes down to contact geometry. A worm gear mesh operates with a sliding contact between the worm thread flanks and the worm-wheel teeth \u2014 a contact mode that generates both friction heat and a characteristic high-frequency whine, particularly at the start and end of each tooth engagement event. Helical gears mesh with a gradual, rolling contact that begins at one end of the tooth and progresses smoothly across the face width, distributing the contact load over a larger area and reducing the instantaneous contact stress that generates noise. The BRC helical-bevel gear reducer for automatic door\u00a0uses finish-ground helical teeth to DIN 6 accuracy, which further reduces tooth-to-tooth transmission error \u2014 the primary source of gear noise in the audible frequency range. The measurable result is the sub-62 dB(A) acoustic output quoted for the BRC series versus approximately 68\u201372 dB(A) for a comparable worm-gear door speed reducer<\/strong> at the same input speed.<\/p>\n<\/div>\n<\/details>\n

\nQ6.\u00a0 Can the EP door gearbox reducer operate in a cold-storage environment below \u201320 \u00b0C, and what specification changes are required?<\/summary>\n
\n

The standard EP-series door gearbox reducer<\/strong> is rated to \u201320 \u00b0C ambient as shipped. For installations in blast-freezer or controlled-atmosphere rooms where ambient temperatures reach \u201325 \u00b0C to \u201335 \u00b0C, specify the low-temperature option at the time of order. This option substitutes the standard ISO VG 220 mineral-based gear oil for a fully synthetic polyglycol lubricant with a pour point below \u201340 \u00b0C, and upgrades the motor-winding insulation from Class F to Class H. No other mechanical changes are required. The gear housing material and FKM shaft seals are already rated for sub-zero operation in the standard configuration.<\/p>\n<\/div>\n<\/details>\n

\nQ7.\u00a0 How does the EP door gear reducer integrate with a building automation system (BAS) or warehouse management platform?<\/summary>\n
\n

The standard EP controller provides three dry-contact relay outputs \u2014 open-position confirmed, closed-position confirmed, and fault \u2014 compatible with any BAS or PLC digital-input module without signal-conditioning hardware. For facilities requiring cycle-count data, motor temperature, or real-time torque-limit event logging in a SCADA or warehouse management system, the optional RS-485 Modbus RTU communication module transmits this data at configurable polling rates. BACnet MS\/TP and 0\u201310 V analog speed-reference inputs are available by special order for integration with Johnson Controls, Honeywell, or Siemens building automation systems using those protocols. Specify the required communication option when placing the order so we can confirm the correct controller firmware version is loaded before shipment.<\/p>\n<\/div>\n<\/details>\n

<\/p>\n

\u0420\u0435\u0434\u0430\u043a\u0442\u043e\u0440: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-series door gearbox reducer is a compact, high-torque gear unit engineered to drive heavy automatic doors in industrial and commercial settings \u2014 converting the high-speed rotation of a paired drive motor into the slow, forceful output needed to open, close, and hold door panels weighing up to 600 kg.<\/p>\n

Four frame sizes cover a power range of 0.55 kW to 1.5 kW with gear ratio options from 5 : 1 to 100 : 1, giving specification engineers the flexibility to match door weight, target opening speed, and cycle-rate requirements precisely \u2014 rather than accepting a compromise in an off-the-shelf gear motor assembly.<\/p>","protected":false},"featured_media":2697,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[4122],"product_tag":[],"class_list":{"0":"post-2696","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-gearbox-reducer","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/product\/2696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/comments?post=2696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/media\/2697"}],"wp:attachment":[{"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/media?parent=2696"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/product_brand?post=2696"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/product_cat?post=2696"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/wormreducer.net\/ru\/wp-json\/wp\/v2\/product_tag?post=2696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}