Coil Spring Manufacturing Equipment
Our coil spring manufacturing machines can produce various types of coil springs.
These coil springs are used for automobiles, trains and heavy machines.
We have made the machines for wire diameter up to 100mm.

STEP 3PIG TAIL
Pigtail Machine
End of coil spring is formed as pigtail shape. Our machine performs to forming pigtail shape automatically with forming jig that moves by pre-set program. Change of forming jig is necessary according to shape of pigtail.
Pig Tail Forming MachineSP200M
Overview
This machine performs to form an end of coil spring to a pig tail shape. A work is loaded on a specified position and its end is oriented by an operator. Then, a forming of pig tail shape is automatically done by pushing start button. After forming, a work is unloaded to outside machine by a operator. A shape of pig tailing is formed by a forming jig, which moves by pre-set program. A change of forming jig is necessary according to shape of pig tail. The machine can be installed near a coiling machine (previous process) due to a compact design.
Constitution
- Pig Tail Forming Machine
Specification
*Table can be scrolled horizontally
Specification of Product | Bar Dia. | 8~20mm |
---|---|---|
Outer Dia. of Coil | Max. 200mm | |
Inner Dia. of Pig Tail Part | Min. 40mm | |
Height of Coil | 200~600mm | |
Coiling Direction | Right | |
Number of Turns of Pig Tail | Max. 2.5 turn | |
Cycle Time | 6 - 12 sec/1 end forming This time depends upon numbers of turn of pig tail part |
Pig Tail Forming Machine (Automatic Type)SP220A
Overview
This machine performs to form an end of coil spring to a pig tail shape. A coil spring being inserted into a coiling machine by a loader (Option) is automatically positioned and pig tail forming is done. After pig tail forming, a coil spring is transferred to a quenching side by an unloader. A shape of pig tailing is formed by a forming jig, which moves by pre-set program. A forming jig is to be changed according to a shape of pig tail part.
Constitution
- Loader (Option)
- Pig Tail Forming Machine
- Moving Device of Pig Tail Forming Machine
- Work Rest (Option)
- Unloader (Option)
Specification
*Table can be scrolled horizontally
Specification of Product | Bar Dia. | 8~20mm |
---|---|---|
Outer Dia. of Coil | 90~200mm | |
Inner Dia. of Pig Tail Part | 40~200mm | |
Height of Coil | 200~600mm | |
Coiling Direction | Right | |
Number of Turns of Pig Tail | 1.5 - 3.0 turn | |
Cycle Time | 7~9 sec. This time is changed according to numbers of turn of pig tail part. |