Special Accessories

Spring Collet


Functions and features

Spring collet YCC series are spring collets that can chuck round work pieces easily and accurately in machining with rotary tables and index tables. YCC 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 hole, collet diameter can be made square hole by a special order.
Apart from standard product and special-make product, we can provide slit blank collet to be holed by customers themselves.
Spring Collet
   Slit blank collet

Application

Spring collet YSS series
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-placement.

▲page top

Collet adaptor


Functions and features

Collet adaptor CA series is a simple unit that makes the spring collet clamp and unclamp by manually opening and closing the cap with the attached lever. The way to open and close the chuck is easy. Just insert the attached lever into the outside diameter hole of the cap and turn it. Work pieces can be chucked and unchucked easily.
Can be used set to the round tail side directly, which can shorten the time for arrangement changes easily.
Special size adaptors can be manufactured in regards to customer’s request.
Collet chuck unit for automation can also be manufactured.
Collet adaptor

Application

Collet adaptor CA series
Unit:mm
Model Applicable
collet
Chuck capacity
for round diameter
Q Applicable rotary tables
Min. Max.
CA 75-20 YSS20 3 20 M6×14 DMB75
CA 90-25 YSS25 3 25 M6×14 DMB90, JNC(H)140
CA110-25 YSS25 3 25 M8×16 DMB110
CASNC170-25 YSS25 3 25 M8×16 JNC(H)170, YNC(P)170
CA160-40 YSS40 6 40 M10×20 DMB160
CA135-56 YSS56 6 56 M8×25 DMB135, JNC(H)200,
YNC(P)200
*
CASNC170-25 can be set direct to the top side of the table of JNC(H)170.

How to use collet adaptor

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 work piece 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 work piece clamped.   8. Attachment of the work piece completed.   9. Machining starts.  

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

▲page top

Flange Center


Functions and features

Flange center FC series are a rotating assisting device with a work driving dog. It is a flange that is used set to the table face to support the edge of a work piece with 60°center hole and rotate the work piece with the dog.
Can be used easily just set to the table face of rotary tables or index tables.
Special size can be manufactured in regards to customer’s request.
Flange Center

Application

Flange center FC series
 
Model Setting screw Applicable rotary tables
FC- 75 M6×14 DMB75
FC- 90 M6×14 DMB90, JNC(H)140
FC-110 M8×14 DMB110
FC-135 M8×14 DMB135, JNC(H)200, YNC(P)200, CTB210
FC-160 M10×20 DMB160

How to use collet adaptor

How to use flange center How to use flange center How to use flange center
1. Set the flange center to the top of the rotary table. 2. Set a work piece with the dog. 3. Machining starts.

* Useful in machining a work piece of both-centered.
* When machining in reverse rotation, be careful of backlash of the dog.

▲page top