Method of Machining Large Size Internal Thread with Magnetic Drill
A magnetic drill and internal thread technology, applied in metal processing equipment, manufacturing tools, tangent devices, etc., can solve the problems of high transportation and processing costs, cost and installation cycle, and threads that cannot be used manually, so as to achieve a short tool preparation cycle. , low cost and simple equipment
Active Publication Date: 2017-10-10
HARBIN ELECTRIC MASCH CO LTD
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Problems solved by technology
[0002] At present, threads above M24 cannot be processed by hand, and internal threads exceeding this size must be processed on machine tools
Therefore, after the workpiece leaves the factory, once there is missing processing or the need to add threaded holes, the workpiece needs to be transported back to the factory or transported to a manufacturing plant with processing capabilities for processing, and the transportation and processing costs are extremely expensive.
Even some large-scale workpieces cannot be transported after welding, and large-scale processing equipment can only be transported to the site for processing, which consumes a lot of cost and installation period
Method used
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Embodiment Construction
[0020] Such as figure 1 Shown is a method for processing large-size internal threads with a magnetic drill. The tools used include a magnetic drill 1, a transition taper sleeve 2, a torque multiplier 3, a tapping jacket 4, and a tap 5. The above method includes the following process steps:
[0021] (a) Select the plane where the threaded hole is processed as the operating plane of the magnetic drill 1, install the magnetic drill 1 as figure 1 As shown, the specifications and models of the magnetic drill 1 are selected according to the operating space and the size of the thread hole to be processed. The magnetic drill 1 adopts the standard series. When a large torque needs to be provided, the hydraulic magnetic drill is selected;
[0022] (b) Install transition taper sleeve 2 such as figure 1 As shown: the transition taper sleeve 2 is a Morse taper shank with a square output end. figure 2 As shown, the Morse taper of the driving end of the transition taper sleeve 2 is the sa...
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The invention relates to a method for processing large-size internal threads with a magnetic drill, which can be directly processed without moving the workpiece, and has the advantages of simple operation, simple equipment required, low cost, short construction period and the like. By using a torque multiplier to increase the torque of the magnetic drill to meet the tapping torque requirements, the purpose of using a smaller magnetic drill to tap a larger thread can be achieved. The invention can tap the workpiece without using a large machine tool, and has the advantages of simple operation, simple equipment required, low cost, short construction period and the like.
Description
technical field [0001] The invention relates to a method for processing large-size internal threads with a magnetic drill. Background technique [0002] At present, threads above M24 cannot be processed by hand, and internal threads exceeding this size must be processed on machine tools. Therefore, after the workpiece leaves the factory, once there is missing processing or the need to add threaded holes, the workpiece needs to be transported back to the factory or transported to a manufacturing plant with processing capabilities for processing, and the transportation and processing costs are extremely expensive. Even some large-scale workpieces cannot be transported after welding, and large-scale processing equipment can only be transported to the site for processing, which consumes a lot of cost and installation period. Contents of the invention [0003] The object of the present invention is to provide a method for machining large-sized internal threads with a magnetic ...
Claims
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IPC IPC(8): B23G1/16
Inventor 朱军吕子涛李妍
Owner HARBIN ELECTRIC MASCH CO LTD