Method of shaping machine for shaping key groove of large disc workpiece body

Abstract

A method of a shaping machine for shaping a key groove of a large disc workpiece body comprises the steps that a concrete foundation pit is dug right ahead of a workbench of the shaping machine; a flat plate is supported on the foundation pit via foundation bolts embedded in concrete and adjustment sizing blocks placed on the concrete and the height and the levelness of the flat plate are adjusted according to the demand; a trolley capable of moving horizontally is placed on the flat plate; and the large workpiece body is fastened on the workbench of the shaping machine by T bolts via technology holes in the large workpiece body. Horizontal feeding motion of machining the key groove in the large workpiece body is achieved via the support of the trolley and a labor-saving rolling principle of the trolley, and vertical feeding of the key groove of the workpiece body is still achieved by vertical adjustment of a screw rod transmission mechanism on a ram of the shaping machine. The clamping deformation is small and the positioning accuracy is high by using the method to shape the key groove in the large workpiece body with the common shaping machine.

Description

technical field [0001] The invention relates to a method for processing a keyway of a large disc workpiece, in particular to a method for planing a keyway of a large disc workpiece with a planer. Background technique [0002] In some special-purpose large-scale electromechanical equipment manufacturing enterprises, it is common to encounter large disk workpieces such as hydraulic turbine runners, hydraulic generator flywheels, and various pulleys with a diameter of 1.5 meters or more and a weight of 1 ton or more. The parts are all single-piece and small batches. Due to the limitation of external diameter and weight, ordinary slotting machines cannot process them. As we all know, the planer can also be used to plan and process the keyway of the disc workpiece. For general equipment such as the B690 hydraulic planer, the maximum load-bearing weight of the planed workpiece is only 300 kg. If it is used to directly plan 1 ton The above and larger diameter large workpieces are ...

AI Technical Summary

Problems solved by technology

At present, some large-scale hydropower equipment manufacturing enterprises can purchase high-cost large-scale slotting machines to ensure the keyway slotting processing of large-scale disc workpieces of hydro-generators. However, it is impossible for ordinary small and medium-sized enterprises to purchase high-cost slotting machines based on the consideration of cost and equipment utilization. A large slotting machine with low cost to meet the slotting process of the keyway of this kind of parts

Therefore, in general small and medium-sized enterprises, they can only solve this problem by seeking outsourcing processing channels, resulting in high cost of enterprises, and it is often difficult to guarantee the delivery date of equipment

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