Karats Precision Machinery, Ltd.

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Large Lathe

We have a wide variety of large and extra-large lathe which were designed based on our deep experience in turning turbine rotor shafts, generator rotor shafts, mill rolls and large shafts for ship building industry. A very good reputation has been enjoyed for its rigidity and high accuracy of their turning capability.

Model: L-26N

CNC Lathe / Model: L-26N

A large and heavy duty lathe equipped with two carriages for rough turning and finish grinding of plate mill backup rolls and work rolls.

Model: L-36N

CNC Turbine Rotor Lathe / Model: L-36N

Model: L-35HN

CNC Lathe / Model: L-35HN

Model L-11N L-16N L-18N L-20N L-24N
Swing over bed mm 1,100 1.600 1,800 2,000 2,400
Center distance mm 4,000~20,000 4,000~20,000 4,000~20,000 4,000~20,000 4,000~20,000
Max. work weight kg 10,000 20,000 30,000 40,000 50,000
Spindle Motor AC/kw ~37/55 ~60/75 ~100 ~100 ~200
Model L-26N L-28N L-32N L-35HN L-36N L-40N
Swing over bed mm 2,600 2,800 3,200 3,500 3,600 4,000
Center distance mm 6,000~20,000 6,000~20,000 6,000~20,000 6,000~25,000 6,000~20,000 6,000~20,000
Max. work weight kg 60,000 100,000 300,000 300,000 300,000 400,000
Spindle Motor AC/kw ~200 ~200 ~330 ~500 ~330 ~330

A special purpose large lathe with two sets of headstock and tool post was designed exclusively to turn turbine discs. After finish turning one side of the disc using one headstock, the other headstock approaches, chucks and moves to its home position to turn the other side of the disc, where time consuming rechucking job is drastically reduced.

Model: L-35N

CNC Turbine Rotor Lathe /
Model: L-35N 3,500 x 10,000

Model: L-28N

CNC Turbine Disc Lathe / Model: L-28N 2,800 x 6,000

Model: L-20BN

CNC Lathe / Model: L-20BN
A special purpose large lathe with a long square boring bar and a tool
holder for fine finishing of cylinder liner bore.

Precision finishing of Cylinder Liner Bore

Precision finishing of Cylinder Liner Bore

Roll Lathe

Deep experiences in roll turning has established a wide variety of roll turning lathe series. Solutions for heavy duty turning, deep grooving, etc. are investigated and presented to customers.

Model: LR-8N

CNC Roll Lathe / Model: LR-8N

Model: LR-13N

CNC Roll Lathe / Model: LR-13N

Model: LR-15N

CNC Roll Lathe / Model: LR-15N

Model LR-7N LR-8N LR-9N LR-11N LR-13N LR-15N LR-18N LR-20N
Swing over carriage mm 700 800 900 1,100 1,300 1,500 1,800 2,000
Center distance mm 3,000~ 3,000~ 4,000~ 4,000~ 5,000~ 5,000~ 5,000~ 5,000~
Max. work weight kg 5,000 10,000 15,000 20,000 30,000 40,000 60,000 100,000
Spindle Motor AC/kw ~37/55 ~45/55 ~60/75 ~60/75 ~100 ~100 ~200 ~200

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