WPDKA Single Speed Cast Iron Worm Gearbox — WP Series

Shaft-mounted drives that also need a direct motor connection — without adaptors, without couplings, without compromise — require a gearbox that combines three capabilities in one unit. The WPDKA Single Speed Cast Iron Worm Gearbox is that unit. The D-type split housing integrates an IEC motor flange on the input side while the K-type hollow bore handles the output side — both in a single compact cast iron body. This WPDKA configuration is the engineering solution chosen by Australian and international OEM machinery builders when they need a bolt-on motor, direct shaft output, and maximum torque in the smallest possible footprint.

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■ D+K Dual-Feature Engineering: IEC Flange Input + Hollow Bore Output

The WPDKA combines both specialisations in one housing: the IEC-standard D-type motor flange (input) and the K-type through-bore output. Two separate specialist gearboxes replaced by one unit — reducing procurement complexity and installation time.

■ Split D-Housing for In-Situ Maintenance

Access to the worm wheel and bearings is achieved by removing only the housing cover. This field-maintainability advantage is retained from the WPDA line despite the addition of the hollow output bore.

■ Precision K-Bore: H7 Tolerance, Hardened Bore Surface

The hollow output bore is finish-machined to H7 tolerance with hardened bore surface, providing a precise interference with the driven shaft and preventing bore oval-isation under sustained torque cycles.

■ IEC Frames 56–355 Accepted Across Size Range

From size 40 (M8 flange bolts) to size 250 (M16 bolts), the WPDKA accepts the full range of IEC standard motor frames used in Australian industrial applications — single-phase, three-phase, and servo motors alike.

■ Oil Fill Optimised for Combined Input/Output Configuration

The WPDKA oil circuit is specifically tuned for the D+K geometry, ensuring adequate worm mesh lubrication under all approved mounting orientations (B3, B6, B7, B8).

■ ISO 9001:2000 Certified Manufacturing Traceability

Every unit carries a traceable serial number, manufacturing date, and model code linking back to quality inspection records — required by Australian engineering procurement standards.

⚙ OEM Shaft-Mounted Drive Systems

Machine builders use the WPDKA as their single-SKU solution for both motor mounting and shaft connection: input motor bolts to IEC flange, output shaft inserts into K hollow bore — complete in minutes.

⚊ Conveyor Systems with Direct Motor Mount

Where conveyor head shafts must connect to motorised gearboxes without remote motor mounting, the WPDKA provides the most compact possible motorised shaft-mount drive arrangement.

☷ Industrial Washing & Food Processing Lines

The combination of cast iron durability, sealed hollow bore, and direct motor mount makes the WPDKA ideal for washdown zone drives in abattoirs, fish processing, and dairy equipment.

⚒ Rotating Equipment — Turntables & Indexers

Positioning systems that require a motor plus a through-shaft central axis use the WPDKA to achieve both requirements: the motor mounts to the D-flange while the driven shaft passes through the K bore.

⚔ Cement & Mining — Elevated Drive Stations

Elevated conveyor drive stations in cement plants and mines benefit from the WPDKA’s minimal component count: fewer external parts means fewer potential failure points in difficult-to-access locations.

✎ ISO 9001:2000 Certified

We hold ISO 9001:2000 International Quality System Certification — the first in our industry category to achieve this standard. Every WPDKA is manufactured, assembled, and tested under this quality framework.

✎ CE Marking

Full CE marking confirms compliance with EU Machinery Directive 2006/42/EC requirements — covering safety, design standards, and manufacturing quality for mechanical power transmission equipment.

✎ Pre-Shipment Testing

Every unit undergoes: Noise test (below 68 dB(A) at rated load), Oil leak test (30-minute pressurisation), and Torque transmission test (output torque within ±5% of rated). Failed units are reworked — not shipped.

✎ FC20+ Material Certification

Housing castings are verified by material test certificates for FC20 grade (220 MPa minimum tensile strength). Hardness testing (160–200 HB) and ultrasonic testing for internal defects are performed on size 135 and above.

“Our WPDKA units in the beef processing line have been running through high-pressure washdown twice daily for 14 months. Zero oil ingress, zero rust on the cast iron body with our anti-corrosion coating. The D+K configuration halved our spare parts inventory.”

“Specified WPDKA on our new conveyor drive system. The IEC flange direct mount with hollow bore output reduced our drive assembly from 6 components to 1. Commissioning the first machine took half the time of the previous design.”

“The WPDKA-80 units on our dyeing machine drive shafts have been faultless. Direct motor coupling and hollow bore onto the drive shaft — no couplings to maintain in a wet environment. Exceptional value for a gearbox with this level of integrated capability.”

“We use WPDKA-155 in elevated conveyor drive positions at our cement plant. Fewer moving parts in hard-to-access positions means less maintenance cost. The cast iron housing handles the cement dust environment far better than the aluminium units we tested.”