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LS 3 Jaw Chuck, Hermetically Sealed with Counter Centrifugal Feature

LS

The Forkardt LS is a high precision, pull down ball chuck. Where concerns about flatness, parallelism, and perpendicularity exist, a pull down chuck is typically preferred. In order to meet these requirements, a pulldown chuck is utilized, to secure the part against a work stop. Where roundness is a concern, the LS utilizes pendulum jaws in order to conform to irregular shaped parts, such as castings and forgings. The LS also offer a counter centrifugal feature which allows the chuck to maintain grip force at higher RPM’s, ideal for todays advanced materials and cutting tools. The chuck is hermetically sealed against swarf, dust and coolants, and the chuck is internally lubricated, reducing the amount of maintenance required.

The LS comes in both centralizing and compensating designs, and comes, standard in a 3-jaw design. However, 2, 4 and 6 jaw versions have been designed to meet customer needs.

KEY FEATURES

  • Standard Pulldown
  • Counter Centrifugal
  • Hermetically Sealed
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Technical Data
Typ / Size LS 110 LS 140 LS 180 LS 210 LS 260 LS 320 LS 400
O.D. Diameter [mm] 110 140 180 210 260 320 400
Height [mm] 63 80 103 120 150 184 184
Jaw stroke [mm] 77 97 128 147 187 253 341
Bore [mm] 26 33 43 50 65 115 126
Chuck mounting [mm] 100 120 140 170 220 220 300
Max. actuating force Fmax. [daN] 1000 1500 2000 2800 4000 5000 5000
Max. clamping force Fsp max. [daN] 2200 3300 4800 7800 11200 14000 14000
Max. speed n max. [1/min] 8000 7500 6500 5500 4500 4000 3200
Weight [Kg] 9,0 12,0 16,0 25,0 42,0 78,0 120,0
Ident. No. F32407M0000 F32447M0000 F32440M0000 F32400M0000 F32444M0000 F32427M0000 F32414M0000
**other size on request
All information is subject to change without notice
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