About support services
To respond to customers’ inquiries promptly, we have built an efficient customer management system and database. Using these, we provide finer services to each customer.
To introduce more information, our sales representatives visit you regularly nationwide.
Flow for customer service
Nationwide regular visits by sales representatives for your area
Our sales representatives for your area visit you regularly to interview on your requests/inquiries and to introduce you more information. We always keep close relationship with customers to be a help whenever needed.
What is the biggest size of rolls you provide?
Rolls of up to 8 inches for pipes.
For Shaped steel bars and sheets, up to OD 650 and W450.
If I want new rolls of standard sizes, smaller than φ80, how long will it take? What hardening methods do you use? How much are they? What surface treatment do you apply?
If we design the rolls, tryout begins after the completion of all rolls within 30 daysof the receipt of an order.
Hardening methods we take are:Vacuum quenching, tempering, sub-zero treatment, andbright annealing.
Cost differs depending on profiles. We quote on a case-by-case basis.
Several kinds of surface treatment are applicable on your request. Let us propose you the best method for the material to coat. Options for treatment include: TD, TI, CCRR, PVD, nitriding, tufftride, and parkerizing.
How many lines have you manufactured?
Some 500 lines for pipes and shaped steel bars together. We deliver our lines anywhere in Japan or to overseas.
What are the advantages and disadvantages of roll forming machines?
Quick manufacturing,quality consistency,and low cost due to the continuous production.
You can change cutting lengths as you want.
You can have a hole-punching module in your line.
It requires more space. (Length direction )
What kinds of advantages can we have by switching from a press machine to a roll forming machine?
1. You will be capable of mass production.
2. Long products, longer than press brakes can make, can be manufactured.
3. More safety can be assured.
4. You can cut costs.
How accurately can the machine manufacture products?
Cutting length: ±0.5mm (covered by warranty) in the cases that the tubes are shorter than 3000mm.
Cross sectional profile: Normally within ±0.5mm
However, these are subject to change depending on the usage of products. Please consult separately.
What is the common production speed?
It depends on the modules added.
Normally, pipe mills are at 100m/min approximately.
※The speed differs by welders and materials, however.
What kinds of materials can be shaped by roll forming machines?
Iron steels including the ones of HT 100kgs, stainless steels, aluminums, coppers, titanium, and others can be processed.
What is the price of a roll forming machine?
The machine itself costs about JPY3 million or more.It depends on the modules you have, the production capacities, the accuracies, the product usages, and other conditions.