WPWDKT फ्लेंज आउटपुट वर्म व्हील रिड्यूसर | औद्योगिक गियरबॉक्स

Coupling Misalignment Failures

The T-type flange output eliminates the floating shaft-to-coupling joint that causes vibration and seal wear on conventional shaft-output gearboxes. Driven components bolt directly to the output face — one alignment check, done.

Ratio Gaps in Your Drive Line

With 8 ratios from 1:10 to 1:60 and double-stage cascading available, there is effectively no output speed requirement the WPWDKT series cannot cover — without switching to a different gearbox family or adding a belt-and-pulley stage.

Uncontrolled Backdrive Risk

At ratios above 1:30, the WPWDKT exhibits natural self-locking behaviour — the output cannot back-drive the worm. This provides inherent load-holding on inclined conveyors, hoists, and gate actuators with no brake required in many applications.

Incompatible Motor Frames

The multi-flange input (56B14 through 80B14 and custom) means the same gearbox body accepts IEC motors from 0.12 kW upward. Motor swaps during a production change-over take under 20 minutes without machining or adapter fabrication.

Line Contact for Higher Load Capacity

The worm and worm wheel mesh in line contact — not point contact as in crossed-axis helical gears. This spreads load across multiple teeth simultaneously, making the cast iron worm gear speed reducer capable of carrying substantially higher torque per unit size than a comparable helical pair at the same center distance.

High Ratio in a Single Stage

A single-stage worm set delivers ratios from 1:10 to 1:60 — a range that would require two or three stages in a helical gearbox. The result is a more compact housing for the same output ratio, reducing the footprint of the universal worm gearbox in constrained machine installations.

Self-Locking at High Ratios

When the worm lead angle falls below the equivalent friction angle of the mesh, the reducer becomes self-locking. At 1:40 and above, the WPWDKT will hold a suspended or inclined load without power — functioning as a built-in safety brake on lifting and positioning equipment.

Multi-Tooth Simultaneous Engagement

Because the worm is essentially a threaded screw meshing into the wheel, multiple teeth are in contact at any given instant. This distributes transmission force across several contact zones at once — the mechanism behind the smooth, low-noise output that distinguishes a well-specified heavy duty worm drive gearbox from gear-noise-prone alternatives.

Efficiency & Thermal Considerations

Single-stage worm efficiency ranges from 70–92% depending on ratio and lubrication — lower than helical gears. The relative sliding motion between worm and wheel generates heat; this is managed in the WPWDKT by an HT200 iron housing with ~35% better thermal conductivity than aluminium die-cast alternatives, plus compatibility with PAO synthetic oil to extend oil-change intervals to 8,000 hours.

Main Components

Core parts: tin-bronze worm wheel (Copper-10-3#), 20CrMnTi worm, C&U deep-groove bearings, HT200 iron housing, KSK oil seals. Secondary hardware: end caps, vent plug, fill/drain bolts, IEC flange adapter studs. All wear-parts are stocked separately for fast field replacement.

Q1: Is the WPWDKT series quieter than a standard worm wheel reducer?

On equivalent sizes and ratios, the WPWDKT measures within ±2 dB(A) of a standard shaft-output WP unit at rated load — the T-type flange output doesn’t affect gear mesh acoustics. At size 80, expect <65 dB(A) at 1 m no-load. The bronze-on-hardened-steel mesh is inherently quieter than all-steel gear pairs at any ratio above 1:10.

Q2: What mounting orientations does the WPWDKT support?

Foot-mount, flange-mount, and output-face-mount are all supported. The oil fill position must be re-set for each orientation per the supplied diagram. Incorrect fill orientation is the primary cause of premature seal failure — always verify before first start.

Q3: What oil grade is recommended for a worm gear reducer manufacturers typically specify?

ISO VG 220 mineral for ambient 10–40°C; VG 320 above 40°C. PAO synthetic extends drain intervals to 8,000 hours. Never mix oil types. First drain at 200–300 hours to remove break-in debris, regardless of oil type.

Q4: Can the WPWDKT Worm Wheel Reducer run on a VFD-controlled motor?

Yes. The HT200 housing and bronze wheel tolerate VFD harmonic content without modification. Maintain minimum motor frequency at 30% of rated speed (≥15 Hz on 50 Hz supply) to ensure adequate splash lubrication at the worm contact zone. Below this threshold, add a pressurised lube system on size 155 and above.

Q5: Are spare worm wheels and worms stocked as separate parts?

Yes. Tin-bronze wheels and ground worms for sizes 40–175 are held in inventory. Sizes 200 and 250 spare gear sets have a 7–10 working day lead time. Always specify the size code plus ratio when ordering — worm tooth count changes with ratio at the same center distance.

Export-Grade Packaging

Units ≤60 kg in double-wall cartons; larger sizes in fumigated wooden crates with foam blocking. Pallet configurations per customer drawings on request.

QC-Tested Before Packing

No-load run cycle, noise check, and seal inspection on every unit. QC report issued for orders of 5+ units. Delivery on time with correct specs confirmed before dispatch.

Matched Transport Mode

Air express for urgent small parcels; LCL or FCL ocean freight for pallet loads. We choose the mode by weight and delivery deadline — or follow your preferred forwarder instructions.

Arrival & After-Sales Support

Inspect units on receipt before signing. Photograph any transit damage immediately. Claims processed within 48 hours of photo evidence. 12-month warranty parts dispatched within 5 business days of a verified claim.

“We installed 8 WPWDKT-135 units on a rotary indexing table for a ceramics kiln line. After 16 months of two-shift operation, the flange-output configuration has given us zero coupling failures — which was the problem we were trying to solve. Dimensional consistency across all 8 units was within 0.2 mm on every bolt circle.”

“I asked myself: do I really need a T-flange worm reducer, or am I just overcomplicating things? Turns out, yes, I needed it — and yes, it works perfectly. Bolted straight to the drum on my woodworking line with no coupling drama. The self-locking at 1:40 means I can go get a coffee and the wood stays exactly where I left it. 10 out of 10, would bolt again.”

Standard AC / IEC Motors

B3/B5/B14 IEC frame motors from 0.12–15 kW. Pre-matched to WPWDKT input flanges.

ब्रेक मोटर्स

DC-release brake motors for positioning and safety-hold applications requiring faster stop than self-locking provides.

Flexible / Jaw Couplings

Polyurethane spider jaw couplings for shaft-output secondary connections. Sizes 14–80 mm bore.

Sprockets & Roller Chains

Hardened steel sprockets from #25 to #80 pitch. Simplex and duplex roller chains. Stocked in standard lengths.

Splined Shafts & Yokes

PTO and industrial splined shafts machined to ±0.02 mm pitch tolerance.

Torque Limiters

Mechanical slip-clutch overload protectors for shock-load environments. Trip torque adjustable.

Ready to order or need a custom build?

Tell us your required size, ratio, motor frame, and quantity. In-stock sizes 40–135 ship in 3 business days. Selection assistance is always free.