We offer a custom-made machine that is the only one in the world, as we are the only one specialized machine manufacturer of the hot coiling machine in Japan.
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.
![STEP1 テーパーロール](/businessfield/spring/img/img_spring_002.png)
TAPER ROLL
Taper Rolling Machine
This machine performs to roll a heated end of raw material, which shapes coil spring into tapered form.
Overheat
![STEP2 コイリング](/businessfield/spring/img/img_spring_006.png)
COILING
Coiling Machine
The method of coiling can be divided into 2 types. One way is forming into coiling shape by coiling pin.
Another way is forming into coiling shape by mandrel and moving guide roller.
Coiling process is important to determine the quality of coil spring as its diameter, free height, load, spring rate, etc.
![STEP3 ピッグテール](/businessfield/spring/img/img_spring_010.png)
PIG TAIL
Quenching / Tempering, Shot-peening
![STEP4 セッチング](/businessfield/spring/img/img_spring_013.png)
SETTING
Painting
Leaf Spring Manufacturing Equipment
Since the day of establishment in 1910, Morita & Company has greatly developed with growth of Automobile industry. Our achievement and its originality has been approved as a leading brand for spring manufacturing machines, and M&C brand has gained high trusts internationally.
![STEP1 材料切断・穴あけ](/businessfield/spring/img/img_spring_020.png)
Material Cutting and Punching machine
Overheat
![STEP2 圧延](/businessfield/spring/img/img_spring_023.png)
Taper Rolling
![STEP3 端末加工](/businessfield/spring/img/img_spring_026.png)
End forming
Overheat
![STEP4 目玉巻き](/businessfield/spring/img/img_spring_028.png)
Eye Forming
Eye Forming unit
This machine automatically forms heated end of leaf springs into eye shape.
Overheat
![STEP5 成形焼入れ](/businessfield/spring/img/img_spring_030.png)
Camber Forming and Quenching.
NC Camber unit
This equipment makes a whole heated leaf spring into camber form by using universal die (Jack type). The formed leaf will be transferred into quenching tank.
Tempering, Shot-peening, Leaf painting, Assembly, Setting
![STEP6 荷重試験](/businessfield/spring/img/img_spring_032.png)
Load Testing
Setting and Load Testing machine
This machine can measure load of leaf springs with its specified height. Then the leaf springs will be classified by the results of its load.
Completed
![STEP7 疲労実験](/businessfield/spring/img/img_spring_034.png)
Fatigue Testing
Fatigue Testing machine
This machine is generally used at a research and develop department in our customer. It can test the fatigue of leaf springs.