Erwin Junker Maschinenfabrik

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Erwin Junker Maschinenfabrik GmbH

Junkerstraße 2
77787 Nordrach

Germany

+49 7838 84-0

+49 7838 84-302

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JUMAT 1S - Cylindrical grinding machines

Universal cylindrical grinding machine

JUMAT 1S - Cylindrical grinding machines

Machine tools > Grinding machines > Universal cylindrical grinding machines

Efficient grinding of ball screw nutsQuality, cycle time, availability – the JUMAT external and internal cylindrical grinding machine leaves nothing to be desired.On ball screw nuts, the internal thread is pre-ground and finish-ground with a ceramic bonded mounted point in a clamping. Internal cylindrical grinding enables precise machining of the ball raceway. Fast workpiece change times are achieved through the use of two workpiece spindles and non-productive times are reduced through cycle-time-neutral loading and unloading, including radial prealignment. Translated with DeepL

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JUMAT 1S - Cylindrical grinding machines

High speed grinding machine

JUMAT 1S - Cylindrical grinding machines

Machine tools > Grinding machines > High speed grinding machines

Unbeatable cycle time for complete worm shaft grinding processThe high-speed grinding machine JUMAT 2000 grinds single-start and multi-start worm shaft profiles from blank. The electroplated profile grinding, which is used for pre-grinding, enables a high cutting capacity and is ideal to process both soft and hard materials. During the subsequent finish-grinding with corundum, the gears are finalized. Thanks to the geometry calculation of the single-tooth grinding wheel, the grinding medium is perfectly designed for the thread profile of the workpiece.If the worm shaft has specific surface requirements, a second grinding spindle with an additional polishing wheel is used. This three-stage process with an integrated deburring station facilitates the production of finished worm shafts in a single clamping process.

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Machine tools 2 2

Turning machines (lathes)

Grinding machines 2 2

Universal cylindrical grinding machines 1 1

Plain cylindrical grinding machines

Production external cylindrical grinding machines

Internal grinding machines

Centreless grinding machines

High speed grinding machines 1 1

Grinding machines for other operations (grinding centres)

Profile grinding machines

Oval grinding machines

Polygon grinding machines

Parallel plane grinding machines

Swing-frame grinding machines

Roll grinding machines

Cam grinding machines

Camshaft and crankshaft grinding machines

Valve grinding machines

Piston grinding machines

Axle journal grinding machines

Thread grinding machines

Other grinding machines

Crankshaft grinding machines

Grinding centres

Tool grinding machines

Universal tool and cutter grinding machines

Carbide tool sharpening machines

Twist drill sharpening machines

Cutter and reamer sharpening machines

Broach sharpening machines

Reversible carbide tip grinding machines

Tap grinding machines

Gear cutting tool sharpening machines

Other tool and cutter sharpening machines

About us

JUNKER, LTA, ZEMA – the companies which make up the JUNKER Group develop, produce and sell high-precision grinding machines for the metalworking industry, as well as filter systems for industrial air purification.

With a workforce of over 1200 across 14 locations, the owner-managed company group is among the world‘s leading names in machine and plant engineering – a powerful partner to customers looking to benefit equally from customized solutions, competent advice, financing models and uncompromising service.

Founding Year: 1962
Number Of Employees: 251-500

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