Fixturing for Components of Hybrid & Electric Vehicles

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You define the task; we develop and implement the solution!

Special chucks are designed and manufactured to your specific requirements. The design of those chucks is matched to the workpieces and to the individual machine tool construction. Moreover, SwissChuck offers you the benefit of their know-how gained over decades and from using up-to-date technology.

SwissChuck aims to minimise your manufacturing processes, your production costs, enhance your performance and increase productivity. This is most effective by involving us right from the start of a project or planning stage.

Our team is ready for you. Try us!Projects - EngineeringFor complex tasks, we focus our engineering know-how in the form of a project team. Working closely together with you, and if required, with additional parties, we analyze the projects and then, determine possible approaches to solving the task.

DesignOur highly skilled designers translate these approaches into products ready for production. They create all drawings of the individual components, their assemblies and the relevant parts lists, 3D models, and 3D views.

Quality - ManufacturingOur manufacturing and testing facilities are equipped to meet our high standards. At SwissChuck, every employee guarantees the delivery of high quality – guaranteeing your success.

SOLUTIONS TO SUIT YOUR EXACT REQUIREMENTS

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CONTENTS

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Rotor shafts for motors of electric cars Workpiece: ClampingAutomation: Workpieces must be loaded by means of a gantry loaderPerformance: Grinding of all OD diameters in one holding operation,

complete machining in < 5minReference: Pitch circle diameter of gearClamping: Concentric on gear’s pitch circle Compensating in bore Steady-rest on opposite side

Special requirements for the holding technology– No deformation of thin-walled tube section– Clearance of the outside diameter on right side of gear section– Compensation of out-of-roundness of gear section and bore

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KRATOS 198-35For E-motor shaft:– Holding on the gear pitch circle– Low distortion holding due to 6 holding bolts– Compensation function between 2 adjacent

holding bolts– Steady-rest on opposite side– Grinding of the complete outside contour on

right side of gear section– Compensating internal holding in bore– Releasing of OD holding when retracting

the chuck by 35 mm– Grinding of end section on left side

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3VKH 100For gear shafts:Concentric holding of shaftSteady-rest for large gearsIntegration of the chuck into central drive unit– Synchronous grinding of external and internal

shaft end positions– Highly accurate roundness– Extremely compact design

· Outside diameter of chuck body ø100 mm · Through bore ø46 mm

3OVEKAV 180-35For CVT gear component:Compensating holding between centers when the chuck is extended, face driven when the chuck is retracted – Complete machining, including holding location as

chuck is retractable– Secure grinding of previous holding position due

to face driver– Highly accurate roundness

3VKCHP 250For gears:Concentric holding on the gear pitch circle– Grinding the bore and taper– Holding by means of flexible rack segments

· Compensation for pitch errors · Compensation for helix errors

– Pre-centering for manual loading– Highly accurate concentricity

3VMCHP 240 SoHelical gear:Holding on pitch circle with retraction to axial end-stop– Grinding of the bore and the clutch diameter– Fast change-over of holding jaws, radially accessible

mounting screws– With radially adjustable pre-centering location pins

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MAS So Central drive systemWorkpieces: Automotive crankshaftsOperations: Synchrone Bearbeitung der beiden Wellenenden

Task– Allow vertical loading in holding position– Referencing of the crankshafts between centers (on machine)– Steady-rest support for crankshafts possible on both sides of the MAS– Torque transmission on thrust face of center crankpin– Low vibration split drive wheel– Width of main geometry max 85 mm (interfering contour relative

to steady-rest)– All interfering contours of the machine tool taken into account

3 OSC 240 SoWorkpieces: GearsOperations: Synchronous grinding of bores, tapers, gear

faces and outside diameters

Clamping– Holding on the gear pitch circle– Axial end-stop on face– Integration into hydrostatic central bearing– Automatic part loading– Sufficient clearance for grinding wheels

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4OVEKA 206For Crankshafts:Holding of crankshafts between centers– Grinding of main journals and crank pins– In general, for automotive crankshafts with up to 6 cylinders– Highest requirements for radial and axial run-out accuracies– Low maintenance operation, hence best suited for

high-volume production– Chucks with minimal life cycle costs

2(3) OVK 140 2(3) OVEKA 140For camshafts:2(3) OVK: concentric holding2(3) OVEKA: compensating holding– or 3-jaw chuck– Grinding of the cam geometry– Concentric holding with additional steady-rests– Compensating holding between centers– High roundness accuracy

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3 SKGCH 315 SoWorkpieces: Range of injection nozzle bodiesOperations: for rough and finish drilling of injection

holes on nozzle body’s nose

Holding task– Holding on the body’s outside diameter– Axial end-stop on shoulder– Automatic loading with part presence sensing– High repeatability:

With multiple reciprocations – using a test shaft with 60 mm distance to swivel axis; run-out ≤ 0.01 mm

– Simple assembly and disassembly of workpiece specific change-over parts– Must assure accessibility for workpieces

3ZLHV 200For fuel injection bodies: Concentric holding with retraction to axial end-stop– Grinding of the bore for the fuel injection needle– Absolut precise positioning on the axial end-stop– Highly accurate run-out

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3KCHP 160Fuel injection nozzle body:Holding of nozzle body with axial end-stop against the bore taper– Grinding the nose of the nozzle body– Axial end-stop on tungsten carbide pin – Concentric holding on outside diameter

2Z 3A 200 SoHydraulic holding system for steering screwsWorkpieces: Range of steering screws Operation: Grinding of the ball screw thread

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SwissChuck AGIndustriestrasse 3CH-8307 Effretikon

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KCHP/VKCHPHigh-precision force chuck

SAP to KCHPAutomated drive carrier

VMCHPDiaphragm chuck

LZK/LSK-SCollet chuck with clamping lamellas

OVEKHigh-precision force chuck

OVEKACompensating chuck

OVEKAVMoving compensating chucks

FLD/AFLDTwist finger type console chuck

DLCollet expanding mandrel

TGC/FTGCTool chuck

KFHPPrecision power chuck

KCHSFCentrifugal force chuck

SPECIAL SOLUTIONSTailor made solutions

PZLHMPneumatic force clamping

cylinder

TRITONPrecision lathe chuck