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Gantry machining center is a good line rail or hard rail?
Hebei Gantry Machine Tool Co., Ltd
In NC Gantry milling machine 、?? Gantry machining center What is hard track? What is a track? Today, Xiaobian has the honor to popularize it to old and new friends
First of all, hard track: CNC Gantry milling machine Gantry machining center The hard rail refers to the casting part that the guide rail and bed are integrated, and then the guide rail is processed on the basis of the casting. That is to say, the guide rail is cast on the bed, and then processed by quenching and grinding. There are also some rails which are not necessarily integrated. For example, the steel inlaid guide rail is nailed to the bed after processing.
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Secondly, line rail: the line rail usually refers to the rolling guide rail, which is used in the linear module which is often used in the machine tool industry. We usually call this kind of component "linear guide rail".
The linear guide rail itself is divided into two parts: slide rail and slide block.
There are inner circulation balls or rollers in the slider, and the length of the slide can be customized. It is a modular component. It is a standardized series of individual products produced by a special manufacturer. It can be installed on the machine tool and can be disassembled and replaced after wear.
Many machine tools in the field of finishing mostly use high-precision line rail as machine tool guide, which greatly ensures the machining accuracy of machine tools. German Rexroth and Japan THK are imported, and Nanjing technology, Hanjiang rail, Taiwan Shangyin, etc. are well done in China.
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So, Gantry machining center It's hard track, okay? Or the track?

In fact Gantry machining center In China, hard track and line rail have nothing to say, only suitable or not, because they have different emphasis. Let's take a look at their strengths and weaknesses.

1. Advantages and disadvantages of hard rail and its application

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The sliding contact surface of hard rail is large, with good rigidity, strong anti-seismic ability and strong bearing capacity, which is suitable for heavy load cutting.

The hard rail belongs to dry friction. Due to the large contact surface, the friction resistance is also large and the moving speed cannot be too fast. At the same time, there will be creeping clearance on the surface. The maintenance of the machine tool track is the top priority. Once the rail lubrication is not enough, it will cause the rail burning or wear transition, which is fatal to the accuracy of the machine tool. The application of hard rail is suitable for heavy cutting, large mold, high hardness workpiece and workpiece with general accuracy requirements.

2. Advantages and disadvantages of track and its application

Now a lot of numerical control Gantry milling machine Gantry machining center The running speed of the line rail is extremely fast, especially the idle speed, which largely depends on the track. After pre tightening, the line rail can achieve zero clearance between the tracks with high precision. In terms of service life, the line rail is much higher than the hard rail.
The cutting force of the line rail is smaller than that of the hard rail, but for the hard rail, the line rail of many machine tools has greatly improved its bearing capacity. ?
The application of line rail is suitable for high-speed machine and can be used for high-speed cutting. It is suitable for processing products and small precision molds. Nowadays, more precision machining centers use line tracks.

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According to the above sharing of Xiaobian, we all know what is hard track and what is line track, Hebei Daheng Heavy Machinery Co., Ltd Mainly produces numerical control Gantry milling machine Gantry machining center Gantry optical machine The machine tool is mainly three-axis linkage, two lines and one hardware, which can be accessed on Daheng official website: sh-mjt.com ?????? www.dhjczg.com For query, you can also directly consult the special line 18303269886 wechat synchronization! Thank you for your attention to Daheng!

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