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Machinery, Precision parts, Standard parts - Schumag
Precision parts
Precision parts    Products and services    Automotive subsupplied parts
 Automotive industry
  

 
Examples of applications
SCHUMAG products

ABS

Pump element and valve plate

Exhaust gas return

Piston rods

Automatic transmission

Choke piston, control piston, planet-pinions

Motor management

Throttle valve shafts, magneto inductor, check
elements

Windscreen wipers

Motorshafts, driving shafts
Servo-steering Piston rods, torsion bars, pins, control pistons
Vacuum pumps Drive shafts
Auxiliary air regulators and fuel pumps Armature axes and plungers
Electr. controlled petrol injection pumps Valve bushes, butterfly shafts, valve balls
Mech. controlled diesel injection pumps Controller axes, adjusting bolts, lifting rods
Electr. controlled diesel injection pumps Actuating shafts and distribution shafts
Common Rail Injectors Pistons, valve pins, valve poppets, steering pistons
Pump-Nozzle Injectors Pistons, valve pins, valve poppets,plungers, valve bodies, valve seats, piston guides, spring guides














 Materials
 
 All cuttable steels with different heat treatments

 Dimensions
 
 Diameter 1.5 to 80 mm / length 5.0 to 400 mm

 Attainable degrees of precision
 Roundness errors < 0,5 µm
 Straightness errors < 2,0 µm
 Cylindrical errors <1,0 µm