How to stop being cheated to buy poor linear guide rail?
When we buy linear guide rail, we all hope to buy products with reliable quality and appropriate price. However, we often hear that some users buy linear guide rail with poor quality. It will not be long before it breaks down after batch purchase. They are deceived and cause great losses.
The poor linear guide rail is a thorn in the user's heart that can never be pulled out. Any user who has been cheated in buying poor equipment has more or less caused economic losses. So how can we stop being cheated and buy high-quality and cheap linear guide rail?
If we want to stop being cheated to buy poor linear guide rail, we need to understand some common means of cheaters. Some manufacturers usually use low price to attract users. After the users make the deposit, the price will increase. If the users do not agree with the price increase, they will not deliver the goods, which is really disgusting to the users. In addition, some companies use inferior equipment, which is made of inferior plates or thin plates to deceive users.
In order to reject the poor linear guide rail, the user should carefully inspect the manufacturer and compare them in many ways to understand the strength of the manufacturer. When signing a contract with the manufacturer, the user must review the contract several times to prevent some companies from playing word games.
For a good linear guide rail, see the following points:
1、 Look at the manufacturer
Purchasers should try their best to purchase the linear guide rail produced by the old and long-time manufacturers, because these manufacturers generally survive in the long-term market competition, with stable quality, low failure rate and perfect after-sales service.
2、 See smoothness
Linear guide rail is also called linear slide rail. The maximum speed can reach 10m / s. high speed is one of its advantages. Get the linear guide rail, observe the smoothness of the sliding block when it slides on the guide rail, see if there is any jamming or the sliding is not smooth. Then take down the sliding block, hold the roller with your fingers and shake it left and right to see if there is any shaking. If not, it means no question Question.
3、 Look at the technological level
Linear guide rail belongs to precision spare parts, and its quality depends on the processing technology level. For example, check whether the straightness, flatness and repeated positioning accuracy of the guide rail meet the standards. At the same time, we can also check whether the size error of the guide rail slider is within the allowable range.
4、 See material quality
The linear guide rail is composed of many small accessory materials. The quality of the materials determines the quality of the finished products. Some manufacturers use the competitive means of price war to reduce the cost by reducing the quality of the materials, which leads to a great discount in the quality of the products. Therefore, we should carefully check the quality of the materials when selecting. The materials of the linear guide rail mainly include aluminum alloy, roller, steel shaft and eccentric wheel And screws. The quality of accessory material determines whether the linear guide rail is smooth, whether it can reach the standard accuracy and the service life of the guide rail. Therefore, the quality of accessory material is very important. When we are shopping, we might as well ask the salesman about the material model and specification of various accessories.