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What is drilling?

October 30, 2023

What is drilling?

Drilling is a common machining process used to create circular holes or holes in a workpiece. This process typically involves using a drill or drilling tool to rotate and advance a cutting tool into the workpiece to remove material and create holes. Drilling operations are suitable for a variety of different types of workpieces and materials, including metals, wood, plastics and composites.

Here is the basic working principle of drilling:

1. Workpiece clamping: First, the workpiece is installed on the workbench or in a fixture to ensure that the workpiece is fixed and will not move. Clamping systems often come in a variety of designs to accommodate workpieces of different shapes and sizes.

2. Select a drill bit: Choose the appropriate drill bit based on the required hole diameter and depth. Different types of drill bits are suitable for different types of materials and hole requirements.

3. Set cutting parameters: The operator needs to set the cutting parameters of the drilling machine or drilling machine, including cutting speed, feed rate, cutting depth and coolant usage. These parameters influence the quality and efficiency of the cutting process.

4. Start drilling: Once the positions and parameters of the drill bit and workpiece are set, the drill press or drilling machine starts, and the drill bit begins to rotate and advance into the workpiece, gradually removing material and forming a hole.

5. Cooling and lubrication: During the cutting process, coolant or cutting lubricant is usually used to lower the temperature, reduce wear and flush away chips.

6. Monitor and measure: Operators typically monitor the drilling process regularly and use measuring tools, such as micrometers or bore micrometers, to ensure the size and quality of the holes meet specifications.

7. Complete drilling: Once the required hole size and quality are achieved, the drilling operation stops and the workpiece can be removed from the workbench or fixture and prepared for further processing or use.

Drilling is a common machining method used to manufacture a variety of products such as threaded holes, mounting holes, assembly holes, hole arrangements, bearing seats, connecting holes and other applications that require holes. It can be used in many different fields, including manufacturing, construction, electronics, automotive, aerospace and woodworking.

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