How to use welding milling cutter?

Welding milling cutter is a kind of welding cemented carbide blade fixed on the cutter bar milling tool, it combines the high hardness and wear resistance of cemented carbide and the high strength of the cutter bar, has the characteristics of compact structure, high cutting efficiency, strong adaptability, long service life and high cost effectiveness, widely used in machinery manufacturing, mold industry, precision machining and other fields. So how to use welding milling cutter? The following small edition of Zhongye Da will take you to see!

The use of welding milling cutter is as follows:

First, Preparation

1, choose the right milling cutter:

According to the hardness and surface state of the machined material, select the appropriate type of milling cutter, such as tungsten steel milling cutter or PCD milling cutter. Ensure that the cutting edge wear of the milling cutter does not exceed the standard range, otherwise it will affect the machining quality and milling efficiency.

2, cleaning and inspection

Clean workbench and fixture to ensure surface level and free of impurities. Check the surface of the milling cutter for oil, corrosion, porosity, cracks and other defects, if necessary, use professional tools for grinding adjustment.

Second, install the milling cutter

1, matching blade:

Place the cutter and blade on the work table to ensure that the blade matches the cutter and is not too large or too small.

2. Install blade:

According to the requirements of the fixture manual, place the milling cutter and fixture on the work table and align the position, and tighten it by hand. Use a gauge to check the geometry of the blade to ensure there is no distortion or wear.

3, adjust the fixture:

Use parallel gauges to determine if the fixture is flush and, if necessary, adjust to ensure the fixture is level. According to the requirements of the fixture manual, adjust the fixture pressure, and pay attention to the position of the workpiece when clamping the workpiece, so that the workpiece and the fixture are perfectly combined.

Third, the operation process

1, fixed pipe:

Secure the tubes to the rack, keeping the tubes parallel. Pipe and pipe, pipe and pipe fittings must be tightened at the same time on the welding machine, and their end faces must be aligned.

2. End milling:

Use a milling cutter to mill the two end faces to be fused to ensure that the end faces after milling are smooth and smooth, and can no longer touch foreign bodies or touch with hands to avoid dirty. After milling, check the parallel situation of the surface to be welded, move to make its plane fit, the gap shall not exceed the specified value (such as 0.5mm), and the dislocation shall not exceed a certain proportion of the wall thickness (such as 10%).

3. Welding operation:

Weld the plane immediately after processing. After the pipe reaches a certain temperature, it will turn up to a certain height to form a rolling edge. After the pipe is melted, the heating plate is withdrawn, and the two to be connected are quickly connected, and the pipe forms two welding rings.

fourth, Precautions

1, electrical waterproof: welding machine electrical, control part is not waterproof, operation and use should be strictly prohibited welding machine electrical, control part water. In case of rainy construction, protective measures should be taken for the electrical and control parts of the welding machine.

2, temperature control: When welding below zero, appropriate protective measures must be taken to ensure that the welding surface has sufficient temperature.

3, clean and dry: all items in contact with the welding surface must be clean, the welding surface must be clean and dry before welding, and the parts that need to be welded must not have damage, impurities, dirt (such as dirt, grease, chips, etc.).

4, continuity: to ensure the continuity of the welding process, after the completion of welding should be sufficient natural cooling to eliminate its internal stress.

5, time control: each weld should maintain the heat absorption time and cooling time of the weld.

In general, the use of welding milling cutter needs to follow a series of operating steps and precautions, through the correct use method and maintenance measures, can ensure the normal operation of welding milling cutter and extend the service life.