A kind of production method and production system of bevel gear

A production method and technology for bevel gears, applied in the field of bevel gear production methods and production systems, can solve the problems of large surface roughness, general product accuracy, high energy consumption of presses, and achieve improved gear quality, convenient mold replacement, and mold life. long effect

Active Publication Date: 2020-10-09
十堰万恒科贸发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] 1. The energy consumption of the thick pier of the press and the multi-station hot die forging press is relatively high;
[0013] 2. The product accuracy is general, the coaxiality deviation is above 1.0mm, the thickness deviation is above 1.5mm, and the turning allowance is about 3mm on one side;
[0014] 3. The surface roughness is relatively large, and the surface flatness is usually around 2.5mm;
[0015] 4. There are many burrs, and due to the general accuracy, the same product needs more weight for finishing

Method used

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  • A kind of production method and production system of bevel gear
  • A kind of production method and production system of bevel gear
  • A kind of production method and production system of bevel gear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Embodiment 1 provides a kind of production method of bevel gear, and this method comprises the following steps:

[0068] (1) Prepare the material section that meets the requirements, usually using a predetermined size of round steel to cut to a predetermined length.

[0069] (2) Heat the material section to 1150-1180°C in the heating device (specifically, an intermediate frequency induction heating furnace).

[0070] (3) Grind the heated section into a material cake on the billet-making pendulum milling device (specifically, a 300T pendulum milling machine and corresponding moulds).

[0071] (4) In the middle part of the upper side of the cake, the central cone groove is rolled to a predetermined thickness by the billet making pendulum rolling device. The central cone groove is arranged vertically, and the upper opening is open.

[0072] (5) Punch out a through hole on the central cone groove through a punching device (specifically, a punching hydraulic press), and the...

Embodiment 2

[0088] Embodiment 2 provides a kind of production method of bevel gear, this comprises the following steps:

[0089] S101: Select materials according to the requirements of different types of products for material grades, and saw the material into sections according to the parameters of the process documents.

[0090] S102: heating the material section to a range of 1150°C to 1180°C in an induction heating furnace of an intermediate frequency furnace.

[0091] S103: Place the heated material section on the center of the lower mold of the 300T swing rolling machine, and roll the material section into a material cake through the upper mold plate.

[0092] S104: Without moving the cake, place a conical punch at the center of the cake to punch the center cone groove (in the design of the mold, considering the ease of forming the pit and the demoulding of the punch, a draft of about 10° is designed Taper, depth Considering the thinnest continuous skin, saving material and reducing...

Embodiment 3

[0101] Embodiment 3 provides a kind of bevel gear production system, see Figure 12 , The system includes a material section preparation device, a heating device, a billet swing milling device, a punching device, a ring expanding device, a forming swing milling device and a post-processing device, etc., which are arranged in sequence.

[0102] Wherein, the material section preparation device may specifically be a sawing machine.

[0103] Wherein, the heating device may specifically be a medium frequency induction heating furnace.

[0104] Among them, see Figure 7-9 The billet swing milling device includes a swing mill (300T) and a truncated cone-shaped punch 2 on it and an upper template 1 (circular) whose outer edge is turned downward. The punch 2 and the upper template 1 constitute the upper mold , the size of the upper template 1 corresponds to the product; the punch 2 and the upper template 1 are designed as a split structure, the taper of the punch 2 is 8-12°, and the ...

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Abstract

The invention discloses a production method and a production system for a bevel gear, and belongs to the technical field of bevel gear production. The method comprises the following steps that (1), amaterial section conforming to requirements is prepared; (2), the material section is heated to 1150-1180 DEG C in a heating device; (3), the heated material section is rolled into a material cake ona blank making and swinging rolling device; (4), the middle of the material cake is rolled to form a center taper groove and is rolled to reach the preset thickness through the blank making and swinging rolling device; (5), a through hole is punched in the center taper groove through a punching device; (6), a ring expanding device is used for carrying out ring expanding to obtain an annular blank;(7), rolling and forming are carried out on the annular blank through a forming and winging rolling device to obtain a product blank; and (8), the product blank undergoes heat treatment and surface treatment to obtain a finished product. Through the method, the product with higher precision, the lighter weight, the better product quality and the smaller turning allowance can be obtained, and thecost is saved.

Description

technical field [0001] The invention belongs to the field of bevel gear production, in particular to a bevel gear production method and production system. Background technique [0002] Bevel gears are widely used in automobiles, engineering machinery and other fields. The traditional processing method uses a dedicated milling machine to process the tooth shape, which has low efficiency and low material utilization, resulting in high processing costs for bevel gears, and the processing accuracy of bevel gears is difficult to meet the needs of power transmission. Different batches The quality stability among the products is poor. In theory, forging can be used to prepare bevel gears (blanks), and there are some brief introductions in related academic research. [0003] For example, the patent application number CN201110147643.5 discloses a manufacturing method for precision forging of spiral bevel gears, which includes the following steps: [0004] (1) Prepare the raw mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/14
CPCB23P15/14
Inventor 赵玉栓刘桂荣
Owner 十堰万恒科贸发展有限公司
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