JPS5873977A - Method of producing slide contact - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a moving i-point, and relates to an improvement in a method for manufacturing a contact in which a brush contact material is attached to a base material. Conventionally, a contact material with several plate brushes was used as a base material K11l.
In the pigeonhole where the sliding contacts are installed, the amount of precious metal used in IIi material is reduced as shown in the % II El garden, and the design of the machine to reduce the loss of bullion and the long period of melting. The base end 11 of the smoking casting point material is spot welded to one end of the pipe base material 2 to make the sliding contact II.
At the time of heating, pressure is applied to one end of the base material 2 by the upper electrode 4 whose tip is missing, such as the base end of the IIJIl material 10 base material 0, and S* is applied, so that the base end 1'a The left and right sides of the brush were damaged, the top was warped (-), and the light base end 111m-jl was short, so there were problems such as the several plate brushes 1b falling apart.
The S* strength was also low and the variation was large, making it unstable.

The reason for this is that the contact strip material, which is the material of the contact material 1, is rolled and stress concentrates on the edge. This is because the residual stress of the plate is dispersed during spot welding to form the contact material 1.

ζδ TameJ Conventionally, it was thought that the stress would be concentrated on a part of the contact strip material due to rolling, but this would cause the star □
Bakapu, which increases the amount of strength, has the disadvantage that the force (, ° raw** decreases rapidly).

The present invention has been developed in view of various circumstances and the welding distance of a contact material having a plate brush is shortened, so that even if the optical base end is welded to one end of the composite material, the base end of the contact material is (damaged), warped], Enoki brush does not come apart.
The present invention aims to provide a method for manufacturing a sliding contact made of IJ material with high welding strength.

The method for manufacturing a sliding contact of the present invention includes providing a spherical prism 5 at one end of the base material 2 as shown at 2 mmK or a prism 51 having a semicircular cross section as shown by the chain line; Next, one end of this composite material 2 is placed on the lower electrode 6 as shown in Figure bK, and then a plate brush IIJ with a shortened row connecting pipe is placed on the projection screen 5 of this base material 2 as shown in Figure bK.
Place the plate brush contact material 1 horizontally by placing the base end of the plate 10 on it, and then press and energize the upper electrode 7 with a flat tip as shown in FIG. End 1
The turtle body is characterized by □ that a is inserted into one end of the base material 2 and the sliding contact 3tl is inserted.

In this way, the method for manufacturing a sliding contact of the present invention is to provide the jet machine 6 or sIt at one end of the base material 2, and provide the plate brush 11A material 10aIIa and sIt at one end of the base material.
Since welding is performed by pressurizing and energizing the upper electrode 7 with a flat tip surface, the base end 1a of the contact material 10 is pushed by the upper electrode 7, and the base end 1m is Damaged)
The left and right sides will not warp and emit light, and when they meet,
The Enoki pusher 1b of the I-point material 1 does not come apart, and the 1111 area of the base end s1m of the III-point material 10 relative to the composite material 2 is increased compared to Spora) IIIK, and the welding strength is improved.

Next, in order to clarify the effects of the present method for manufacturing a sliding contact, specific embodiments and conventional examples will be described.

[Example 1] M2mmK, thickness 0.2 wa, width 2. ．． 4
At one end 11 of the base 2, which is made of nickel silver with a length of 6 mm, a spherical surface with a diameter of 06 mm and a ratio of half SaS; One end of 2 is IIbK
As shown, one side is 2! Place it on the rectangular lower electrode 6 of s■, and then place it on the press plate 5 of this base material 2 with a thickness of 0.1 m, a width of 1.35 m, and a total length of 114.4 m, as shown in Figure cK. ■, the length of the base end 11 which is the welding allowance is 1.8
■.

4 Enoki brushes 1b length 116■, 1 Enoki brush L
Width of b 0.4 M # Gap between IF brushes lb ass
U's Pd3! ! 1G-51301G-AulO11G-
PtlO11-Cts14 Chi Zn1-Plate push point material 10 base end 1m more powerful than alloy! Then, as shown in Figure dK, the plate brush contact material 10 is placed horizontally, and the base end 1a of the plate brush contact material 10 is then energized by applying pressure to the rectangular upper electrode 7 with a flat tip surface of 25 m on each side, as shown in Figure dK. At one end of the base material 2
A sliding contact 3' was obtained using the JEXI SOON fsIIL.

[Example 2] One end of the composite material 2 in Example IK
The cross section is straight a as shown by the chain line of the second E.O,S fin is semicircular and the length is 1.5cm. Next, place this base material 2Q on one end of the pipe l1bK as shown in the lower part 1116 as in Example 1, and then attach the base material 20 to
As shown in Figure C, place the proximal end of Example 1 and the outer skin protection material 1 on top of the cylinder 5I, and place the Enoki brush material 1 horizontally, as shown in Figure C. As in Example 1, the upper electrode 70 is pressurized and energized to weld the proximal end 1a of the lower pushpiece II point material 19 to one end of the base material 2 to form a sliding HAB.
'I got revenge.

[Conventional example] IN1mK As shown, thickness a 12 w e width 235 m
.

Total length 1 Table 4 m g Length of base end 1 m which is welding allowance IJ
Cabinet, 4 brushes, length of 1b 1165m, width of 1 piece S/lb width a4, gap between plate brushes lb a 2
m mt) Pd 3111-AI! 1011! -A
l1101G-P t 101G-Cu141G-Zm
19g brush contact material consisting of 10 bases, thickness @
A sliding contact 3t was obtained by spot welding one end of a base material 2 made of nickel silver with a width of 16 wm and a length of 6 m using a de-sharpened upper electrode 4.

In this way, the quality of 100 pieces of each of Examples 1 and 2 and Conventional Example O Sliding II obtained was inspected, and the place where the tube was measured for the contact material of the contact material was as follows. The results showed the pK of .

*Contents of defective product: Board brush! Damage to the proximal end of the I-point material, 1. Disintegration of plate brushes, etc.

As is clear from the above table, the sliding contact of the conventional example has as many as 8 out of 100 unnecessary items, whereas the sliding contact of Example 1.2 has no unnecessary items.

In addition, the Sm strength of the plate brush contact material of the conventional example O sliding contact is low and unstable due to large variations, whereas the actual tl
Example A 1.20 The Sm strength of the sliding contact plate plastic 1/wI point material is high and the variation is small and stable.

Furthermore, the conventional upper electrode has a short lifespan because the tip is de-sharpened and deformed, and the lifespan of the conventional upper electrode is shorter than that of the upper electrode according to the present invention.

As described above in detail, according to the method of manufacturing a sliding contact of the present invention, even if the base end pipe, which is the welding allowance of the plate brush contact material, is shortened, when mat is attached to one end of the composite material, #蓼 brush contact It has the excellent effect of being able to create a sliding contact with high Sm strength of the Enoki brush contact material without damaging the base end of the material, warping the cane, or disintegrating the plate brush. be.

[Brief explanation of drawings]

Figure 1 is a perspective view showing a conventional method of manufacturing a sliding contact, #!
FIG. 2 is a diagram showing the steps of a method for preparing a sliding contact according to the present invention. 1...Plate brush contact material, 1m...Base end, 1b...Plate brush, 2...Base material
3t...Sliding contact, 5.5I...Projection contact, 6...Lower electrode, 7...
- Upper electrode with flat tip. Applicant Tanaka Kikinzoku Kogyo Co., Ltd.

Claims (1)

[Claims] A projector @/Yr is provided at one end of the composite material, and then one end of this composite material is placed on the lower electrode, and then the KNFi 1 layer on the base material is shortened to form a large-scale skin care material. Place the proximal end of the t”a*w tarashi blue skin horizontally,
After that, apply pressure wax to the flat upper part of the surface of the first layer.
A method for producing a sliding contact in which one end of the proximal end 1**1 of a plate brush reference point material is melted with a special wax.