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Machining 

POSTMA & POSTMA

(PTY) LTD.

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Bearing failure accounts for 51% of elctric motor failures, often damaging the shafts or end plates. We have in house facilities to repair these to specifications and ensure a faster turn around time.

We metal spray, machine bearing and seal areas on rotors, electric motor end shields, pump shafts, fan impeller shafts, rollers etc.

Ceramic and tungsten carbide protective coatings on pump impellers and volutes ensure an improved service life. We manufacture shafts, rollers and hace in house balancuing facilities to balance these.

Our biggest lathe capabilities are as follows:

Max swing over the bed                          1400mm
Max swing over the cross slide               1050mm
Distance between centres                       4000mm

Two of our three lathes are fitted with digiyal readout systems. We have a milling machie to cut key ways on motors, shafts or rollers.

Many Electric Motors and pumps fail due to mechanical problems. Bearing areas on the shafts and end plates then need to be refurbished or the seal areas on pumps need to be repaired.

Postma & Postma provide these services with our in house engineering services, ensuring a faster turnaround time and ensuring quality workmanship.

We Metal spray and machine seal and bearing areas on electric motors, pumps, fans, housings, gearshafts etc.

We further do protective coatings on pumps & impellers, manufacture new shafts and rollers.

Our lathe capacity is up to 1400mm swing across the bed and 4000mm between centres which caters for most jobs. This lathe is fitted with a 1000mm chuck and Digital Readout System.