ID: 352811
YUASA 5C Multi Collet Chuck Block, 4 Station - 640-404
The PN# 640-404 Multi Collet Chuck Block was designed to be used either with a rotary indexer (see page #38) or as a stand alone collet fixture, mounted in a milling vise or similar type fixture. Four, manually operated "dead-length" 5C collet chucks are incorporated into the block. A simple 90° turn of each operating cam collapsing the collet sleeve, will activate the collet mechanism, with zero part movement when clamped.
Also available are 5C Multi-Collet Blocks in 6 and 8 station. These new models feature the same "dead length" style by use of a cam collapsing the collet sleve with a simple 90º turn, as in the 4-station block.
Now supplied as standard are three (3) mounting blocks designed to support and raise the Multi Block so that it may be bolted down to a mounting plate which can then be affixed to the machine table. The Multi-Block now includes drilled holes through the body to allow simple mounting as to a base plate.
NOTE: 6 ea. bolts are included with the new Multi-Blocks.
Technical Data:
| Repeatability | 0.0002" (0.005mm) |
| Block material | Meehanite cast iron |
| Squareness | 0.0004" (0.01mm) |
| Parallelism | 0.0003" (0.007mm) |
| Flatness | 0.0004" (0.01mm) |
| Gripping force | 400 lbs. (181 kg) |
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