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Manufacturing method of high-strength gear for forklift axle reduction gearbox

A high-strength gear and manufacturing method technology, applied in the field of gears, can solve the problems of difficult to guarantee the quality of finished products, low surface structural strength, complex cavity structure, etc., to ensure stability, reduce pouring strength and difficulty, and high pouring efficiency. Effect

Active Publication Date: 2022-08-05
新昌县金鹰齿轮箱有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the gears used in the gearbox of forklift axles have the following defects: 1. The surface structure strength is low. Fault; 2. The traditional casting molding process has problems such as complex cavity structure and high operation requirements. It is integrally formed, and the surface defects are difficult to repair, and the quality of the finished product is difficult to guarantee.

Method used

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  • Manufacturing method of high-strength gear for forklift axle reduction gearbox
  • Manufacturing method of high-strength gear for forklift axle reduction gearbox
  • Manufacturing method of high-strength gear for forklift axle reduction gearbox

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Embodiment Construction

[0039] like Figure 1 to Figure 4 shown, is the high-strength gear in the present invention, such as Figure 5 to Figure 9 shown, is the pouring device used in the manufacturing method of the present invention.

[0040] A method for manufacturing a high-strength gear for a forklift axle reduction box, comprising the following steps:

[0041] (a) Preparation of crude product: gear body 1 and reinforcing rib body 2 are obtained by casting. The casting has compact structure, high mechanical properties, high dimensional accuracy and good quality.

[0042]The gear body 1 is sequentially distributed with a center hole 3, a positioning through hole 4, a casting through hole 5 and a raised portion 6 from the inside to the outside. The reinforcing rib body 2 includes an inner ring 7, a fixing rib 8 and an outer ring 9, and the fixing ribs 8 are evenly distributed. Between the inner ring 7 and the outer ring 9, the inner ring 7 is provided with a convex ring 10 corresponding to the ce...

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Abstract

The invention discloses a manufacturing method of a high-strength gear for a forklift axle reduction gearbox. The manufacturing method comprises the following steps: (a) preparing a crude product; (b) assembling; (c) closing the mold; (d) pouring a welding ring; and (e) cooling and taking the workpiece. Split step-by-step manufacturing is adopted, control and adjustment are easy, the quality of all components is guaranteed, the integration quality is good, batch production can be achieved, efficiency is high, labor is saved, and the manufactured gear has the advantages of being high in surface structural strength, high in bearing strength, not prone to deformation, long in service life and the like.

Description

technical field [0001] The invention belongs to the technical field of gears, and in particular relates to a manufacturing method of a high-strength gear used in a forklift axle reduction box. Background technique [0002] Gear refers to a mechanical element that continuously meshes with gears on the rim to transmit motion and power. It is very common in the reducer of forklift drive axles. At present, the gears used in the forklift axle reducer have the following defects: 1. The surface structural strength is low. In the process of high-speed transmission, the bearing torque is large, and it is easy to deform and crack due to excessive load, and then mechanical 2. The traditional casting molding process has the problems of complex cavity structure and high operation requirements. It is difficult to repair the defects on the surface of integral molding, and the quality of the finished product is difficult to guarantee. SUMMARY OF THE INVENTION [0003] The purpose of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/14
CPCB23P15/14
Inventor 王金鳌
Owner 新昌县金鹰齿轮箱有限公司
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