Medium And Thick Plate Cutting Processing

Medium and thick plate cutting processing

The most feared situation for heavy equipment factories is to discover that the material is wrong when the steel plate is received, and the cut is rough and requires rework. When looking for steel plate cutting and processing services in Changzhou and Jiaodong Peninsula, how do you choose to avoid encountering pitfalls?

The source of medium and thick plates directly supplied from steel mills can be checked

The suppliers of medium and thick plate products used by Changzhou Jiashangte are manufacturers affiliated with the production lines of Shagang, Baosteel and Wuyang Steel.

All sources of these materials are obtained from direct procurement channels from first-line steel mills. Before the raw materials enter the warehouse, the specific heat number data and rolling batch information will be strictly checked and inspected to ensure that there is no use of second-hand materials from the market circulation link, or re-cut materials made from scrap steel as production inputs.

The cutting thickness covers the value from 8 mm to 300 mm, such as Q345, No. 45 steel, carbon plate, etc. The warehouse has spot inventory all year round. If the customer names which steel factory they want to produce, and also specifies the specific specifications, the warehouse will directly transfer the steel plate and then ship it. This saves the troublesome process of middlemen adding up the price at all levels.

CNC cutting accuracy reaches zero point zero one

In 2008, Changzhou had already acquired several large-scale CNC cutting equipment. The three methods of flame cutting, laser cutting and plasma cutting can be selected according to the thickness of the plate and the specific conditions of the material. The vertical deviation of the processed finished product will be controlled within a tiny range of one thousandth of a centimeter, which is 0.01 mm.

Currently, the daily production capacity exceeds 30 tons, and the equipment can handle multiple workpieces on the same stage. The equipment needs to be laser calibrated every six months. The accuracy will not drift with the wear of the cutter head. This is a characteristic of medium and thick plate cutting processing. The dimensional consistency of batch parts is relatively good.

Level before cutting and then weld to death before moving the knife

After the steel plate is transported to the site, it will first be sent to a leveling machine that can apply 800 tons of oil pressure for flattening, and then it will be hoisted onto the cutting table and fixed with welding joints. The purpose is to prevent the plate from shifting during the cutting process. For materials such as No. 45 steel, when the room temperature is lower than ten degrees Celsius, preheating treatment will be performed before cutting and insulation treatment will be carried out after cutting to prevent the occurrence of cracks.

For the parts with the inner hole, we will not directly start the arc for cutting, but first use mechanical drilling to complete the positioning operation, and then introduce the flame to cut the nearby Q345 steel plate , cutting, blanking , riveting and welding . This makes the accuracy of the hole position a level higher than using flame cutting alone. Although the operation steps seem trivial and complicated, as long as one rework can be effectively avoided, the next material cost can be correspondingly saved.

Each workpiece comes with a material certificate

The company promises that it will never shoddy products or use scrap steel plates. The material certificate of each cutting workpiece will be attached with the goods, which contains all complete information such as heat number, chemical composition and mechanical properties. After receiving the goods, we will take out the drawings to verify and inspect each workpiece one by one.

During the inspection process, customers have the right to conduct on-site sampling tests to detect hardness, or arrange for spectral analysis. Once the test results reveal that the material does not meet the agreed standards, the entire batch of goods must be returned for processing , and all logistics costs incurred shall be fully borne by the responsible party. The requirements for this clause must be directly written into the contract text and must not just remain a verbal guarantee.

The ten-hour economic circle arrives at dusk

Relying on the two important traffic arteries of Ningjingyan Expressway and Jiangsu Coastal Expressway, the transportation time from Changzhou to Jiaodong Peninsula has been successfully compressed within 10 hours. Especially for the transportation of large cutting parts, a fast logistics method is adopted such that the goods are loaded and transported at night and can arrive at the factory early the next morning, which will not delay the normal production schedule of the next process at all.

The transportation link uses a dedicated flatbed truck route. The vertical installation method is adopted for the 300 mm thick boards to ensure that there is no overlapping. The outer layer is wrapped with an anti-rust coating and fixed with wooden cubes. After the goods are delivered, they can be unpacked and put into use directly. This approach can effectively reduce the problems of bumps and damage caused by secondary transportation.

Three steps for drawing deposit acceptance

Manufacturers located in the Yangtze River Delta region or located in the Jiaodong Peninsula region only need to send out a cutting drawing. This drawing must be in CAD format, and then a 30% deposit is required to lock in the production schedule. After that, the company will come up with a cutting list and corresponding quotation plan within 48 hours. After confirmation, it will be arranged to enter the cutting queue to wait for processing.

After the cutting operation is completed, photos are taken and the photos are sent to the customer to confirm the results. After the logistics delivery personnel deliver the goods to the factory, they need to conduct acceptance operations on site. When the size and material meet the qualified standards, the final payment will be made. If unqualified parts are encountered, they will be re-cut for free. The entire process is designed to be simple and there will be no disputes or shirking of responsibilities.

Please talk about the steel plate cutting supplier currently used in your factory, and which link is the most troublesome for you. Everyone is welcome to communicate and discuss in the comment area. If you think this content is helpful to you, please like and forward it so that more bosses of equipment manufacturers can see the relevant information.