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Simple Workholding Devices

Spring Collets
Simple workholding devices

Simple workholding devices

Simple workholding devices (Collet adaptor CA series) are simple unit that makes the spring collet open and close by manually tighten and loosen the collet cap with the attached lever. The workpiece can be clamped and unclamped easily in attached with spindles or rotary tables. The way to open and close the collet is easy. Just insert the attached lever into the outside diameter hole of the collet cap and turn it. It can be simplified your setting time process, and it contributes to improvement of your productivity greatly.

Collet adaptor CA series

Collet adaptor CA series   Collet adaptor CA series

Unit:mm
Model Applicable collet Chuck capacity for
round diameter		 D D1 D2 D3 L1 L2 L3 Q
Min. Max.
　CA 75-20 　YSS20 3 20 62 76 66 30h6 40 10 4 M6×14
　CA 90-25 　YSS25 3 25 78 95 76 40h6 47 12 5 M6×14
　CA110-25 　YSS25 3 25 88 106 76 40h6 47 12 5 M8×16
　CASNC170-25 　YSS25 3 25 88 110 76 60h6 47 12 6 M8×16
　CA160-40 　YSS40 6 40 130 152 116 60h6 77 18 6 M10×20
　CA135-56 　YSS56 6 56 115 135 135 70h6 96 14 6 M8×25

* CASNC170-25 can be set direct to the top side of the table of JNC(H)170.
* Special size adaptors can be manufactured in regards to customer’s request.
* Collet chuck unit for automation can also be manufactured.

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Spring collet YSS series

Spring collet YSS series are spring collets that can hold round workpiece easily and accurately in machining with rotary tables and index tables. YSS series can be used with the exclusive collet adaptors. YSS20 and YSS25, of which collet diameter is from 3mm to 20mm, are stocked in units of 1mm. In addition to standard round bore, collet diameter can be made square bore by a special order. We can also provide custom sizes or slit blank collet to be holed by customers themselves.		 Spring collet YSS series
Blank collet

Unit:mm
Model Chuck capacity
for round diameter		 Hexagon
dia. Max.		 Square
dia. Max.		 Applicable collet adaptor
Min. Max.
YSS20 3 20 17 14  CA75-20
YSS25 3 25 21 17
 CA90-25,　CA110-25,　CASNC170-25
YSS40 6 40 30 25  CA160-40
YSS56 6 56 45 36  CA135-56

*
Specify the collet capacity when placing the order.
*
As for YSS40 and YSS56, the collet capacity will be created after order.

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How to use collet adaptor

We mention as an example the case where it attaches to CNC Rotary Tables, and explain the procedure used.

How to use collet adaptor How to use collet adaptor How to use collet adaptor
1.  Attach collet adaptor CA to the rotary table. 2. Insert spring collet YSS into the collet adaptor. 3. Tighten the collet cap on the collet adaptor lightly by hand.
           
How to use collet adaptor How to use collet adaptor How to use collet adaptor
4. Attachment of the collet adaptor and spring collet completed.   5.  Insert a workpiece into inner diameter of the spring collet.   6. Turn the collet cap with the attached lever.  
           
How to use collet adaptor How to use collet adaptor How to use collet adaptor
7. Turn the lever and make the workpiece clamped.   8.  Attachment of the workpiece completed.   9. Machining starts.  

*
Perform center alignment before attaching collet adaptor CA to the rotary table.
*
After machining has been completed by one time, umclamp the workpiece, change its position and make it clamped again for the next machining.

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