Kyoei Seiko Co., Ltd. [Cold Ring Rolling]

Outline of cold ring rolling

The Cold Rollimg come into the market with the present fundamental principle in 1982 after many year's research. Since then It has gotten various improvements and total production come over 700 units, and it has gotten great evaluation. We always try our best to improve the machine based on these actual results.
CRF takes the initial of Cold Rolling Former, and TCR is the machine made to have the meaning of Top of Cold Rolling. "V" means an upgrade, and the number shows the capacity of the machine. OR, IR, UC show the kind of the sizing device which the machine has.
This machine forms rolling inside and outside of the cylinder-shaped work piece by mandrel and forming roller.
Work piece expands about 20% at the external diameter by form rolling. Sizing is done after form rolling, the work piece flows from the machine outlet. This actuation is done automatically from the entry to the outlet.
This machine can provide very high productivity. The machine is composed of the body part and the attached device.
As for the attached device, a pressure-oil tank are put separately.
There are entry hopper, palette inversion machine, an elutriation, cooling, oil skimmer, cyclone separator, an instrumentation device, and so on as the special accessories besides that.

[ The type of Cold Rolling Machine ]
With external straight sizing device -> ***-OR
With internal straight sizing device -> ***-IR
With external spherical sizing device -> ***-UC

[ The type of the machine distinguished CR work ]
CRF Series -> CRF**
TCR Series -> TCR**
CRF-V Series -> CRF**V
NCRF Series -> NCRF**

Feature

In Europe, safety standard is stricter than that in Japan, and the low doesn't permit to import the machine which doesn't acquire CE marking.
Our Rolling Machine cleared all the command of occasion, low voltage, EMC, and its safety technology could be recognized in the world.

Product photograph

CRFxx-OR shared outer diameter sizing area