CN102500730A - Production method for titanium alloy V-shaped eyeglass edge wire - Google Patents

Abstract

The invention discloses a production method for a titanium alloy V-shaped eyeglass edge wire, which comprises the following steps of: carrying out pass deformation slot processing on a roller according to the geometric shape of the edge wire by adopting an optical curve grinder to obtain an isosceles triangular pass roller and a U-shaped pass roller, thereby a shaped pass combined roller is formed by the two pass rollers, and the surface achieves the mirror surface effect after the shaped pass combined roller is subjected to mirror surface finishing; and then continuously carrying out cold processing on a blank by using the shaped pass combined roller to be close to the geometric shape and the size of an edge wire finished product and carrying out finish rolling by using the shaped pass combined roller to make a V-shaped eyeglass edge wire finished product, wherein the rolling speed and the processing speed are respectively 6-8 metres/minute, and the tensile force is applied onto the front part and the rear part. The production method has the beneficial effects that with the adoption of the technical scheme, the production species diversity can be realized; the quantity of the rollers is less, the deformation passes are less, the loss is low, the productivity is high, the brightness, the deformation and the size precision on the surface of the product is high, and the yield reaches up to above 96 percent; and the use requirements of the edge wire can be ensured, the customer requirements and the market demands can also be achieved.

Description

A kind of production method of titanium alloy V-type spectacles rim filament

Technical field:

The present invention relates to the production method of wire deformation processing, particularly relate to the elasticity height, the production method of the titanium alloy V-type spectacles rim filament that hardness is high is applicable to the pure titanium of processing, titanium alloy and multiple type of spectacles rim filament of Nitinol.

Background technology:

At present, what the production method of spectacles rim filament generally adopted is hubbing and two roller combined pass rollings, because the character of titanium own; Elasticity is high, and hardness is high, and is lubricated difficult with deformation ratio in drawing process; Product surface quality is low; Occur the cross fracture phenomenon easily, surface brightness is not high, and yield rate is low.And the very difficult assurance of two roller pass shape symmetries, dimensional tolerance is bigger, and the inboard shape of limit silk, size are difficult to control, and the kind of the titanium alloy spectacles rim filament of being produced is limited.

Summary of the invention:

The objective of the invention is the deficiency that exists in the prior art in order to overcome, the characteristic that has in conjunction with titanium alloy wire itself and the demand in market provide a kind of production diversification of varieties that has; Roll quantity is few, and loss is few, and rolling pass is few; Roller surface, shape, size and symmetrical precision are high; Efficient is high, and yield rate is high, can guarantee the production method of the titanium alloy V-type spectacles rim filament of limit filament shape and size conforms product requirement.

The production method of titanium alloy V-type spectacles rim filament of the present invention is characterized in that, may further comprise the steps:

A) geometry according to the limit silk adopts the optical contour grinder breaker roll to carry out the processing of pass distortion fluting; Obtain isosceles triangle concave roll and U-shaped concave roll; Two concave rolls constitute the section groove assembly roller thus; The section groove assembly roller is through mirror finish, and the surface reaches mirror effect;

B) then with the section groove assembly roller blank is cold working to geometry and size near limit silk finished product continuously; Carry out finishing with the section groove assembly roller again and be rolled into V-type spectacles rim filament finished product; Rolling process velocity all is 6 meters/minute～8 meters/minute, and front and back apply tension force.

Described stock can be the stock of pure titanium, titanium alloy and Nitinol.

The present invention adopts above technical scheme, can realize producing diversification of varieties, and roll quantity is few, and rolling pass is few; Low-loss, high production capacity, product surface brightness, shape and size precision height, yield rate is up to more than 96%; Can guarantee the instructions for use of limit silk, reach customer requirement, market is required.

Description of drawings:

Fig. 1 is the schematic diagram of first group of rolling stock of section groove assembly roller;

Fig. 2 is the schematic diagram of second group of rolling stock of section groove assembly roller;

Fig. 3 is the schematic diagram of the rolling stock near limit silk finished product of the 3rd group of section groove assembly roller;

Fig. 4 is that the 4th group of section groove assembly roller carries out finishing and be rolled into V-type spectacles rim filament finished product schematic diagram;

Fig. 5 is 2.0mm * 1.0mm titanium alloy V-type spectacles rim filament cross sectional shape figure that embodiment 1 is processed;

1,2 stocks wherein; 3, near the stock of limit silk finished product; 4, V-type spectacles rim filament finished product; 12, the isosceles triangle concave roll of first group of section groove assembly roller; 11, the U-shaped concave roll of first group of section groove assembly roller; 111, the U-lag of first group of section groove assembly roller; 121, the isosceles triangle protuberance of first group of section groove assembly roller; 22, the isosceles triangle concave roll of second group of section groove assembly roller; 21, the U-shaped concave roll of second group of section groove assembly roller; 211, the U-lag of second group of section groove assembly roller; 221, the isosceles triangle protuberance of second group of section groove assembly roller; 32, the isosceles triangle concave roll of the 3rd group of section groove assembly roller; 31, the U-shaped concave roll of the 3rd group of section groove assembly roller; 311, the U-lag of the 3rd group of section groove assembly roller; 321, the isosceles triangle protuberance of the 3rd group of section groove assembly roller; 42, the isosceles triangle concave roll of the 4th group of section groove assembly roller; 41, the U-shaped concave roll of the 4th group of section groove assembly roller; 411, the U-lag of the 4th group of section groove assembly roller; 421, the isosceles triangle protuberance of the 4th group of section groove assembly roller.

The specific embodiment:

Following examples are to further specify of the present invention, rather than limitation of the present invention.

The concrete production process of titanium alloy V-type spectacles rim filament is: according to the shape and the characteristic of limit silk product; Select the roll of different model to carry out the processing of pass distortion fluting with optical contour grinder; Obtain isosceles triangle concave roll and U-shaped concave roll; Two concave rolls constitute the section groove assembly roller thus, and the section groove roll is through mirror finish, and the surface reaches mirror effect.Ready round blank is carried out pass combination cold working through too much organizing gradual section groove assembly roller; The front is cleaned; Apply tension force before and after the roll; It is rolling until the shape and size near finished product to divide passage, and rolling process velocity is 6～8 meters/minute, obtains the stock 3 near the shape and size of finished product therefrom.After the section groove assembly roller forms rollingly, the stock 3 near the shape and size of finished product that the front roll is come out carries out finished machined Cheng Biansi product 4, and mill speed is 6～8 meters/minute, applies tension force before and after the roll.The present invention adopts 9015 optical contour grinders to amplify 50 times mould carried out high accuracy, high brightness pass fluting and the rolling deformation process of two roller combined passes, and it is high to have a pass mould and die accuracy, and roll quantity is few; Rolling pass is few; The section bar symmetry is accurate, and loss is few, and yield rate is high; Guaranteed that the limit silk meets drawing requirement, in process of production can the product mold sticking.The different shape that adopts 9015 optical contour grinders to amplify 50 times of corresponding drawings carries out the high-precision grinding fluting.Section groove assembly roller of the present invention all is made up of top roll and lower roll; Two aspects of top roll and lower roll process simultaneously; The rolled piece surface is stressed evenly, has solved pure titanium, the shaping difficulty of titanium alloy spectacles rim filament in hubbing and the production of common two rolling method for makings effectively, and the product size error is big; Surface smoothness is not high, problems such as sticking to mould.

Embodiment 1:

Like Fig. 1,2,3, shown in 4 and 5; At first according to the shape and the characteristic of limit silk product; Adopt 9015 optical contour grinders to amplify 50 times of rolls and carry out high-precision grinding pass distortion fluting different model; And obtaining isosceles triangle concave roll and U-shaped concave roll, two concave rolls constitute 11,12, the second groups of section groove assembly rollers 21,22 of section groove assembly roller-first group section groove assembly roller thus; 31,32, the four groups of section groove assembly rollers 41,42 of the 3rd group of section groove assembly roller.The i.e. isosceles triangle concave roll 12 of first group of section groove assembly roller has the isosceles triangle protuberance 121 of first group of section groove assembly roller; The U-shaped concave roll 11 of first group of section groove assembly roller has the U-lag 111 of first group of section groove assembly roller; The isosceles triangle concave roll 22 of second group of section groove assembly roller has the isosceles triangle protuberance 221 of second group of section groove assembly roller; The U-shaped concave roll 21 of second group of section groove assembly roller has the U-lag 211 of second group of section groove assembly roller; The isosceles triangle concave roll 32 of the 3rd group of section groove assembly roller has the isosceles triangle protuberance 321 of the 3rd group of section groove assembly roller; The U-shaped concave roll 31 of the 3rd group of section groove assembly roller has the U-lag 311 of the 3rd group of section groove assembly roller; The isosceles triangle concave roll 42 of the 4th group of section groove assembly roller has the isosceles triangle protuberance 421 of the 4th group of section groove assembly roller; The U-shaped concave roll 41 of the 4th group of section groove assembly roller has the U-lag 411 of the 4th group of section groove assembly roller.Each organizes the section groove assembly roller through mirror finish, and the surface reaches mirror effect.Slot through 11,12 pairs of stocks of first group of section groove assembly roller as stock with ￠ 1.60mm circle titanium silk, open embryo, the front is cleaned, and applies tension force before and after the roll, and rolling process velocity is 6 meters/min; Then with stock 1,2, rolling shape and size near finished product, clean by the front with 21,22, the three groups of section groove assembly rollers 31,32 of second group of section groove assembly roller for order; Apply tension force before and after the roll; Rolling process velocity all is 6 meters/min, obtains the stock 3 near the shape and size of finished product therefrom, after section groove assembly roller 41,42 to carry out finishing rolling; To carry out finished machined near the stock 3 of the shape and size of finished product; To carry out finished machined Cheng Biansi product 4 near the stock 3 of the shape and size of finished product, mill speed is 6 meters/minute, applies tension force before and after the roll.Obtain 2.0mm * 1.1mm radian, sidewall is the limit silk finished product on 6 ° of inclined-planes, and its scale error is in ± 0.02mm, and surface smoothness reaches 0.4mm, and the shape symmetry is (Fig. 5) accurately, and yield rate is up to more than 96%.

Claims (2)

1. the production method of a titanium alloy V-type spectacles rim filament is characterized in that, may further comprise the steps:

A) geometry according to the limit silk adopts the optical contour grinder breaker roll to carry out the processing of pass distortion fluting; Obtain isosceles triangle concave roll and U-shaped concave roll; Two concave rolls constitute the section groove assembly roller thus; The section groove assembly roller is through mirror finish, and the surface reaches mirror effect;

B) then with the section groove assembly roller blank is cold working to geometry and size near limit silk finished product continuously; Carry out finishing with the section groove assembly roller again and be rolled into V-type spectacles rim filament finished product; Rolling process velocity all is 6 meters/minute～8 meters/minute, and front and back apply tension force.

2. the production method of titanium alloy V-type spectacles rim filament according to claim 1 is characterized in that, described stock is the stock of pure titanium, titanium alloy and Nitinol.

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