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WPDX Flange-Mounted Dual Output Single Speed Worm Gear Reducer — The Ultimate Compact Solution for Motor-Direct Bilateral Synchronisation
The WPDX flange-mounted dual output worm gear reducer represents the highest integration point in the WP series — combining three previously separate drive components (motor coupling, single-speed gearbox, and synchronisation chain) into a single precision-cast unit. By incorporating an IEC motor flange at the input and dual output shafts on both sides of the worm wheel, the WPDX delivers motor-direct, synchronised bilateral drive without any intermediate power transmission elements.
This makes the WPDX the natural choice for packaging machines, twin-roller conveyors, and printing lines where motor installation simplicity, bilateral speed synchronisation, and minimum machine footprint are all simultaneously required. Available in 12 frame sizes (40–250 mm) with motor powers from 0.12 kW to 15 kW and ratios from 1/5 to 1/60. Ever-power Company | Get a Fast Quote
Technical Specifications
WPDX has a wider housing than WPDA to accommodate dual output shaft bearings. E, E₁, E₂ = output shaft dimensions. Motor flange: LA, LB, LC, LE, LZ. Input hole: Q, U, T×V. All dimensions in mm; reference speed 1500 r/min.
| Size | Power(kW) | Ratio | A | AB | BB | BC | CC | M | N | E | E₁ | E₂ | G | Z | LA | LB | LC | LE | LZ | Q | U | T×V | LS | S | W×Y | Wt(kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 0.12 | 1/5–1/60 | 135 | 75 | 74 | 45 | 40 | 94 | 184 | 70 | 74 | 86 | 10 | 10 | 115 | 95 | 140 | 4 | M8 | 31 | 11 | 4×12.8 | 28 | 14 | 5×3 | 5 |
| 50 | 0.18 | 151 | 83 | 97 | 50 | 50 | 116 | 220 | 90 | 93 | 102 | 15 | 12 | 115 | 95 | 140 | 4 | M8 | 31 | 11 | 4×12.8 | 40 | 17 | 5×3 | 8 | |
| 60 | 0.37 | 167 | 91 | 112 | 55 | 60 | 126 | 260 | 100 | 105 | 120 | 20 | 12 | 130 | 110 | 160 | 4 | M8 | 33 | 14 | 5×16.3 | 50 | 22 | 7×4 | 11 | |
| 70 | 0.37/0.75 | 200/202 | 109/111 | 131 | 65 | 70 | 156 | 295 | 120 | 130 | 150 | 20 | 15 | 130/165 | 110/130 | 160/200 | 4 | M8/M10 | 40/42 | 14/19 | 5×16.3/6×21.8 | 60 | 28 | 7×4 | 17 | |
| 80 | 0.75/1.5 | 225 | 125 | 142 | 70 | 80 | 175 | 320 | 140 | 130 | 150 | 20 | 15 | 165 | 130 | 200 | 4.5 | M10 | 48/52 | 19/24 | 6×21.8/8×27.3 | 65 | 32 | 10×4.5 | 22 | |
| 100 | 1.5/2.2/3.0 | 280 | 148 | 169 | 100 | 100 | 224 | 375 | 190 | 180 | 25 | 25 | 15 | 165 | 130 | 200 | 4.5 | M10 | 52 | 24 | 8×27.3 | 75 | 38 | 10×4.5 | 38 | |
| 120 | 2.2/3.0 | 333 | 181 | 190 | 100 | 120 | 266 | 450 | 220 | 185 | 215 | 30 | 18 | 215 | 180 | 250 | 5 | M12 | 63 | 28 | 8×31.3 | 85 | 45 | 12×4.5 | 64 | |
| 135 | 3.0/4.0 | 375 | 202 | 210 | 110 | 135 | 306 | 495 | 260 | 210 | 235 | 30 | 18 | 215 | 180 | 250 | 5 | M12 | 63 | 28 | 8×31.3 | 95 | 55 | 16×6 | 85 | |
| 155 | 5.5 | 448 | 247 | 252 | 140 | 155 | 350 | 590 | 290 | 254 | 295 | 35 | 21 | 265 | 230 | 300 | 5 | M12 | 83 | 38 | 10×41.3 | 110 | 60 | 18×7 | 118 | |
| 175 | 5.5/7.5 | 481 | 262 | 255 | 150 | 175 | 394 | 640 | 320 | 287 | 323 | 40 | 21 | 265 | 230 | 300 | 5 | M12 | 83 | 38 | 10×41.3 | 110 | 65 | 18×7 | 165 | |
| 200 | 11.0 | 543 | 285 | 319 | 175 | 200 | 440 | 710 | 370 | 290 | 360 | 40 | 24 | 300 | 250 | 350 | 6 | M16 | 114 | 42 | 12×45.3 | 125 | 70 | 20×7.5 | 200 | |
| 250 | 11.0/15.0 | 615 | 330 | 385 | 200 | 250 | 510 | 860 | 440 | 350 | 440 | 45 | 28 | 300 | 250 | 350 | 6 | M16 | 114 | 42 | 12×45.3 | 155 | 90 | 25×9 | 340 |
* Shared specification drawing with WPDO. E₁ and E₂ = left and right output shaft extension lengths. BC = housing width extension for dual bearing supports.
Product Structure — Three-in-One Drive Integration
The WPDX integrates three elements into its FC25 cast iron body: an IEC-compliant rear motor flange, a precision worm gear set, and a dual output shaft extending from both sides of the worm wheel. The wider housing provides four-bearing support — essential for handling the combined cantilever loads of two work points connected to the output shaft ends.
| Input Drive | IEC 60034-7 motor flange + keyed input bore — no coupling required |
| Output | Dual solid shafts, one each side of worm wheel — mechanically synchronised |
| Housing | FC25 cast iron, wider body for dual bearing bores |
| Bearings | Four bearings total: two on worm wheel shaft, two on worm shaft |
| Synchronisation | Mechanical lock — zero speed differential between output ends guaranteed |
| Shaft Positions | 3 configurations: A, B, C |
✅ Key Features & Benefits
Motor-Direct Input — No Coupling Needed
The IEC flange at the input eliminates shaft couplings entirely, providing direct keyed-bore connection from motor shaft to worm shaft. This removes coupling alignment as an installation and maintenance step, which is particularly valuable in packaging machinery where rapid motor swaps during production changeovers are common.
Mechanically Synchronised Dual Output
Both output shaft ends are physically locked to the same worm wheel — zero speed differential is guaranteed by mechanical constraint. Combined with motor-direct input, the WPDX eliminates three separate drive components (coupling, gearbox, synchronisation chain) from the machine BOM.
Minimum Machine Footprint
By integrating motor mounting, speed reduction, and bilateral synchronisation in one compact unit, the WPDX reduces the space requirement for a typical synchronised bilateral drive by 40–60% compared to the equivalent indirect-drive arrangement. Critical for space-constrained packaging lines and narrow conveyor frames.
Heavy-Duty Cast Iron Durability
FC25 grey cast iron housing with four-point bearing support handles the combined radial loads from two work points simultaneously, maintaining long bearing life even when external loads are slightly asymmetric between the two output shaft ends.
Precision Worm Pair — Low Noise
Ground 20CrMnTi worm and ZCuSn10Pb1 bronze wheel deliver ≤72 dB(A) at rated load — important in open-plan packaging and printing areas where noise regulations apply. Transmission efficiency 60–90% per ratio.
Universal IEC Motor Compatibility
The IEC 60034-7 compliant flange accepts standard IE2/IE3 energy-efficiency motors from 0.12 kW (size 40) to 15 kW (size 250), ensuring the WPDX integrates with your existing motor procurement programme without special motor sourcing.
Industry Applications
The WPDX is specified wherever a machine designer wants to eliminate both coupling components and a synchronisation chain in one procurement decision:
Packaging MachineryCarton erectors, case packers, and form-fill-seal machines requiring synchronised bilateral motor-direct drive with minimal machine width footprint.
Printing & Converting LinesOffset printing press ink roller drives and film converting lines where motor-direct synchronised bilateral drive eliminates register errors caused by chain backlash.
Textile Winding EquipmentYarn package winders and fabric rolling machines where both ends of the winding shaft must rotate at identical speed driven directly from an IEC motor.
Food & Confectionery LinesChocolate enrober cooling tunnels, biscuit conveyor drives, and snack food portioning lines requiring compact, hygienic motor-direct bilateral drive in food-safe environments.
Paper & Label ConvertingLabel die-cut machines, reel-to-reel paper converting lines, and laminating systems where compact bilateral motor-direct drive simplifies machine design.
Assembly & Automation LinesTwin-strand assembly conveyor drives and industrial automation bilateral feed systems where BOM simplification and installation speed are key design objectives.
Quality Control & Certification
ISO 9001:2015 & CE
Full ISO 9001:2015 QMS with CE Declaration of Conformity per shipment. IEC flange dimensions CMM verified at final inspection; compliant with Machinery Directive 2006/42/EC for integration into CE-marked packaging and printing machinery.
Synchronisation & Flange Test
Each WPDX unit is verified for (1) IEC flange concentricity (≤0.05 mm TIR), (2) dual output shaft run-out (≤0.05 mm TIR each end), and (3) torque output symmetry between output shaft ends during the 30-minute load test.
Material Standards
Housing: FC25 cast iron (≥250 MPa). Worm: 20CrMnTi (≥58 HRC). Both output shaft extensions machined from same billet and heat-treated together for matched properties. Full material certs on request.
Why Choose Ever-power for WPDX Gearboxes
We supply WPDX motor-direct dual output gearboxes to packaging OEMs, printing machinery builders, and textile equipment manufacturers in the USA, Spain, Brazil, Australia, and over 60 countries worldwide. Our engineering team can assist with shaft-direction selection, motor frame matching, and custom BOM integration for OEM machine designs.
- ✅ Simultaneous flange + dual-shaft verification at final inspection — three tests in one
- ✅ OEM part numbering and custom packaging for machine builder supply chain integration
- ✅ Motor-matching service — we cross-reference your motor frame against WPDX flange specs
- ✅ 20+ years’ experience in packaging and printing industry drive applications
- ✅ Fast stock delivery — key WPDX sizes held in stock, 7–15 working days worldwide
⭐ Customer Reviews
“We redesigned our carton erector drive using WPDX-80 units. Removing the coupling and synchronising chain from the BOM reduced our machine assembly time by 2.5 hours per unit and eliminated our two most common field service calls. The WPDX has been transformational for our product quality.”
Karen L., Mechanical Engineer
Packaging Machine Builder, Adelaide, Australia
“We switched our twin-end roller conveyor drives to WPDX and the results have been excellent — zero synchronisation drift over 6 months of 24/7 operation, faster installation on site, and significantly lower warranty call-outs related to chain maintenance. Ever-power’s delivery and documentation are first class.”
Mark S., Engineering Director
Conveyor Systems OEM, Chicago, USA
“The WPDX-100 units are now standard on our web offset press roller drives. The IEC flange accepts our standard motors perfectly, the dual-shaft synchronisation is absolutely precise, and the units run quietly even at 1,500 r/min input. Very happy with the quality and the technical support from Ever-power.”
Pablo R., Product Design Engineer
Printing Machinery Manufacturer, Barcelona, Spain
“Good quality WPDX gearboxes for our biscuit conveyor drives. The compact motor-direct dual output design saved us significant space on a narrow machine frame. One extended delivery on a larger order, but Ever-power kept us informed throughout and the units arrived in perfect condition.”
Ricardo M., Technical Manager
Food Processing Equipment Builder, Campinas, Brazil
❓ Frequently Asked Questions
How does the WPDX differ from the WPX?
The WPDX and WPX both deliver dual synchronised output shafts, but differ in their input method. The WPX has a standard solid input shaft with keyway that connects to a motor via a coupling. The WPDX has an IEC flange with a keyed input bore that accepts a motor shaft directly — no coupling required. Choose the WPX when you have an existing coupling arrangement; choose the WPDX when you want to eliminate the coupling entirely.
Can the WPDX be used with variable-speed drives (VSDs/inverters)?
Yes — the WPDX is fully compatible with variable-speed drives. When operating below 50 Hz, be aware that motor cooling (if using a standard TEFC motor) reduces proportionally with speed. For continuous low-speed VSD operation at high load, specify a force-ventilated motor or contact us to discuss whether a larger WPDX frame size is advisable to maintain adequate torque margins at reduced speed.
What is the maximum torque the WPDX can transmit through both output shafts combined?
The combined output torque from both shaft ends must not exceed the rated output torque for the selected frame size and ratio — the same limit as the single-output WPDA. The total load is shared mechanically between the two output ends. For size 250 at 1/60 ratio and 1500 r/min input, the maximum combined output torque is approximately 3,025 Nm. Refer to the WP series power and torque table, or contact our engineers for a free selection calculation.
Is it possible to have asymmetric shaft extension lengths on the WPDX?
The standard WPDX has equal extension lengths (E₁ = E₂). Custom asymmetric configurations are available for OEM customers requiring the gearbox to be positioned off-centre relative to the two drive points. Minimum order quantities and tooling charges apply for custom shaft extensions — please provide your required E₁ and E₂ dimensions and we will quote accordingly.
How does motor replacement work on the WPDX in the field?
Motor replacement on the WPDX is straightforward: isolate and lock out the machine, remove the flange bolts (LZ size and count per frame size in the spec table), slide the motor axially off the input bore, and reverse the procedure with the replacement motor. Apply anti-gall grease to the motor shaft before re-insertion. Total time for a motor swap on a WPDX is typically 20–30 minutes — significantly faster than re-aligning a coupling-connected motor. Always torque flange bolts to the motor manufacturer’s specification.
Three Components in One — Simplify Your Machine Design Today
Eliminate the coupling, the gearbox, and the synchronisation chain with a single WPDX unit. Get a free motor compatibility check, shaft-direction recommendation, and quotation from our engineering team.
