Manufacturer of drum motors and drive technology for conveyor systems, Ø 80–800 mm, 0.04–132 kW, since 1948.
Van der Graaf Antriebstechnik GmbH
Vollenhove (NL) · Rheine (DE) · Brampton, Ontario (CA)New on Amplifa
About Van der Graaf
Van der Graaf is a family business founded in 1948, headquartered in Vollenhove in the Netherlands, and manufactures drum motors for conveyor systems. The product range includes sizes with diameters from 80 to 800 mm, power ratings from 0.04 to 132 kW, and drum lengths up to 1600 mm at speeds up to 30 m/s. In addition to standard drum motors, idler pulleys, bearing housings and accessories such as rubber lagging, backstops, electromagnetic brakes, encoders and sprockets are offered. Special versions are available, including stainless steel design up to Ø 315 mm, vertical mounting, underwater operation IP 68, insulation class H, food-grade oil (H1), thermal switches, CSA/UL approvals and ATEX Zone 22. Gear components are machined on automatic lathes, the gear flanks are ground and partly honed. Production takes place in Vollenhove (Netherlands) and Brampton (Canada); through branch offices and a worldwide dealer network the products are available internationally. In Germany, the products are sold by Van der Graaf Antriebstechnik GmbH based in Rheine.
- Site
- Rheine
- Processes
- Manufacture of gear components on automatic lathes, gear flanks ground and partly honed, Rubber lagging of drum shells in various thicknesses and designs, Design and development of drum motors, Accessories: rubber lagging, backstop, electromagnetic brake, encoder, sprockets, Worldwide dealer network / dealer search, Trade fair presence
- Materials
- Stainless steel, Cast iron, Steel, Rubber lagging
- Certificates
- Continuous quality control of production
- Founded
- 1948
- Industries
- Drive technology, Conveyor technology / Material flow
- 01
Design and development
- 02
Machining of gear components on automatic lathes
- 03
Grinding and honing of gear flanks
- 04
Electric motor and gearbox manufacturing
- 05
Assembly of the drum motor
- 06
Rubber lagging of the drum shells
- 07
Sales via branch offices and dealer network
Materials & Processes
Stainless steel
Drum motor design up to Ø 315 mm, as well as end covers, bearing sleeves and nameplates for corrosion-stressed applications.
Cast iron
End covers and gearbox carriers of the drum motors.
Steel
Material for the gear components machined on automatic lathes.
Rubber lagging
Drum shells in various thicknesses and designs for increased frictional engagement.
Sites
Vollenhove
NLProduction / Headquarters
- Part weight / size
- Drum motors Ø 80–800 mm
- Materials
- Stainless steel, cast iron, steel
- Automatic lathes for gear components
Rheine
DESales (Van der Graaf Antriebstechnik GmbH)
Brampton, Ontario
CAProduction (Van der Graaf Inc.)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Engineering | – | Drum lengths up to 1600 mm | – | – | Stainless steel, Cast iron |
| Manufacture of gear components on automatic lathes, gear flanks ground and partly honedMachining | ground/honed gear flanks | – | – | – | Steel |
| Assembly | – | – | – | – | Stainless steel |
| Rubber lagging of drum shells in various thicknesses and designsSurface treatment | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Automatic lathes for gear components | – | – | – | – | Vollenhove (Netherlands) |
Additional services
Quality
Continuous quality control and the use of first-class purchased components ensure high reliability and long service life. Ground or honed gear flanks and oil maintenance intervals of 50,000 operating hours characterize the manufacturing standard.
| Evidence | Vollenhove |
|---|---|
| Continuous quality control of production |
History
- 1948
Foundation of Van der Graaf as a family business in Vollenhove, Netherlands