Chuck Maintenance and inspection
Feb. 28, 2025
Chuck Maintenance and inspection
1.To maintain the chuck for a long period of time, It is necessary to lubricate the chuck on a regular basis. Inadequate
lubrication causes malfunction at low hydraulic pressure, reduces gripping force and affects gripping
accuracy, and causes wear and seizure. Consequently, securely lubricate the chuck.
2. After machining, clean the chuck body and sideway with air gun. etc.
3. Use rust prevention coolant oil so that rust does not reduce gripping force.
4. Disassemble and clean the chuck at least once per 6 months or every 100,000th used
(once every two months for the casting) see If parts are worn or cracked and replace .
If required.Lubricate the chuck before reassembling.
5. Decomposition step; ( For safety, use the lifting belt or eye bolt and fix the chuck).
1)Loosen jaw-fixing bolts to remove the soft jaws and T-nut.
2) Remove the cover.
3) Loosen the draw nut using joint handle and disconnect the draw pipe.
4) Loosen the chuck installation bolts and remove the chuck.
5) Remove the wedge plunger toward rear chuck.
6) Push the master jaw toward the interior of the body and draw it form the remove.
7) Remove plunger nut form the wedge plunger and at the same time remove.
6. Decomposition step; ( For safety, use the lifting belt or eye bolt and fix the chuck.)
1) Loosen jaw-fixing bolts to remove the soft jaws and T-nut.
2) Remove the cover.
3) Loosen chuck mounting bolts, turn the draw screw with the joint handle to remove the chuck.
4) Remove the stopper bolt for the master jaw from rear chuck.
5) Remove the wedge plunger toward rear chuck.
6)Remove the master jaw toward chuck periphery.
After disassembly, perform cleaning carefully with petrolrum. benzine. etc...and dry the system. Remove chips. Seizure.
Gouging of the Interior of the body as well as slide parts of the wedge plunger the master jaw, etc, and feed grease.