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The Ultimate Buyer's Guide for Purchasing CNC Plate Bending Machine

Apr. 14, 2025

Your Ultimate Plate Roller Buying Guide

With plate rolls that have a long top roll with a small diameter, you will see more deflection. Imagine standing on the middle of a wood beam supported at two ends. As the length on the wood beam gets longer, the deflection where you are standing would sag downwards more. The same concept is applied to steel plate rolling.To compensate for this deflection in a plate roll, the top roll is “crowned.”  A “crown” is the barrel shape of the top roll that is needed to obtain a uniform distribution of the pressure required for the rolling of steel plate. A plate roll has supports at each end and the top roll deflects in the middle when the plate is in motion. This affects the parallelism on the edges of the rolled part.Insufficient crowning will create an unsatisfactory roll form with barrel effect (where the part has a greater diameter in the middle than at the ends) and hourglass effect (the material is tighter in the middle than on the ends) both possible deformations that can be caused.Most metal fabricators need a plate roll to work with numerous materials which will affect the plate rolling machine’s rolls in different ways. As a result, rolls are machined with optimal crowning which is typically 75% of nominal capacity if yield, width, diameter, pinch pressure, and speed are equal.The range of a roll (thickness/width/diameter) depends on the tolerance, with accepted variance of your parts. Options can be installed on the plate rolling machine to adjust for different tolerances and specific crowning can be applied to reach the desired range of material characteristics and part tolerances.Hardened rolls:The harder materials and laser/plasma cutting techniques used today require hard outer roll surfaces on rolling equipment. A hardness rating from 50 to 55 Rockwell C scale will have a reasonable penetration depth and provide long-lasting protection against roll surface wear. A hardness rating exceeding 60 will have a shallow penetration and will likely result in cracking or crazing of the roll surfaceworkpiece finish

Points To Note: Plate Bending Rollers Buying Guide - SHENCHONG

What should pay attention to when buying plate bending rollers? At present, there are many brands of plate rolling machine, and the market of bending machine is mixed. Users must be very cautious when choosing bending rolls. When buying the bending roll machine, the professional bending roller manufacturer suggests that customers make more inquiries and compare.

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As a special bending machine for production, customers often need to use it for several years or even more. If the purchase is not proper, it will cause many unnecessary troubles and even huge losses to the future production. The following reference opinions are provided.

1. The Quality of Plate Bending Rollers

Quality is generally a point that most users pay attention to. Buying a high-quality plate rolling machine is not easy to break down in use. Users will feel more at ease. It is better to buy safe than to buy cheap.

To know the quality of the plate bending machine, we have to look at the weight and appearance.

- Weight:

The material and use of the machine frame and work roll are very important. Some cheap parts of the bending machine are made of plastic, but they are only painted on the surface. From the weight, we can determine whether the home-made machine is made of steel or scrap iron or plastic.

- Size:

The size of the plate bending rolls will affect the stability of the machine tool. The working pressure of the bending machine is very high. When rolling, the machine tool with poor structural performance will shake. This problem will affect the safety of personnel.

Users can also compare the quality of reducer and motor. Pay attention to whether the work roll is solid or hollow. Beacuse this relates to the durability of plate bending roller machine.

2. The Price of Rolling Machines

CNC Plate Rolling Machine For Sale

Secondly, the price of plate bending rollers, which is a problem that every customer who buys machine will pay attention to. Before comparing prices, we must remind you that cheap goods are not good goods, and good goods are not cheap.

A good performance bending machine can be well integrated into the whole production process of the factory, and even form an assembly line. You can only carry out single processing with poor equipment. In addition, the poor bending machine is prone to insufficient pressure and damage the service life of the frame and parts.

There is also the problem of middlemen. If there are too many links in the middle, the price of the bending rolls will be higher. Therefore, when purchasing the rolling machine, you must find the manufacturer to sell it directly.

3. The Service of Bending Machine

Service is a point that many customers will ignore when purchasing equipment. If we don't pay enough attention to after-sales service, there will be a lot of trouble in the future. Customers who have experienced such problems will understand how important after-sales service is.

This is one of the reasons why many customers choose to buy locally. Many customers will repeatedly confirm whether the manufacturer has a distributor or office in the local area.

When the machine breaks down, all production links related to the machine may need to be suspended. Stop production means loss! Therefore, it is very important to have a perfect after-sales service team and network.

If you are looking for more details, kindly visit CNC Plate Bending Machine.

If there is a dealer in the local area, the manufacturer can quickly repair the plate bending roller and the customer can quickly resume production. Or it would be good if the manufacturer of the bending mechanism had professional engineers to provide remote guidance to customers. Therefore, it is the long-term consideration to value service.

4. To summary

Before purchasing a new plate rolling machine, the company must make a serious and responsible evaluation of its purchase.

- Before purchasing the plate bending machine, determine the material, thickness and width of the price plate and the minimum diameter of the rolling circle.

- In addition, pay attention to any special needs. For example, do you need to roll other profiles.

- Then we can collect quotations: compare quality, price and service.

- Finally, according to the specific situation, select the plate bending rollers with suitable cost performance.

Professional rolling machine manufacturers will discuss and quote according to your needs.

For example:

- What kind of plate do you want to roll

- What shape you want to process

- Labor cost

- Budgeted purchase cost of plate bending machine......

Wuxi Shenchong is willing to answer questions and provide detailed technical solutions for every customer purchasing equipment!

If you want to learn more, please visit our website Heavy duty CNC lathe machine.

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