Mold Standard Products
Steel ball bushing-high rigidity
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product description
Product Name: Steel Ball Bushing-High Rigidity
Body material: divided into two materials: POM (polycondensate resin) and A5056 (aluminum alloy)
Steel ball material: SUJ2
Sphericity: 0.25μ
Steel ball hardness: 62~67HRC
Purpose: It can be used with the guide post of the discharge plate, the guide post for the mold base, and the independent guide post.
Body material: divided into two materials: POM (polycondensate resin) and A5056 (aluminum alloy)
Steel ball material: SUJ2
Sphericity: 0.25μ
Steel ball hardness: 62~67HRC
Purpose: It can be used with the guide post of the discharge plate, the guide post for the mold base, and the independent guide post.
Features
1. Steel ball bushing-The number of steel balls of the high rigidity type is about 1.6 times that of the ordinary type steel ball bushing
2. The increase in the number of steel balls makes the contact surface between the product and the guide pin and guide sleeve larger and the rigidity greatly improved
3. The products are made of resin and aluminum alloy, and customers can choose flexibly according to actual conditions of use
2. The increase in the number of steel balls makes the contact surface between the product and the guide pin and guide sleeve larger and the rigidity greatly improved
3. The products are made of resin and aluminum alloy, and customers can choose flexibly according to actual conditions of use
Dimensions
Product size chart
Specification overview
The current standard product specifications are as follows:
| PD Applicable guide post diameter |
Outer diameter φD |
the inside diameter of φD1 |
Steel ball diameter φd |
Number of steel balls | Catalog No. | L | ||||
| MBSH MBJH |
MBS MBJ |
ratio | Type | PD | ||||||
| 20 | +0.020 +0.015 |
25.5 | 20.5 | 3 | 165 | 96 | 1.72 | MBSH （Aluminum alloy） MBJH （Resin） MBH （Aluminum alloy） MBH （Resin） |
20 | 50 |
| 22 | 27.5 | 22.5 | 180 | 112 | 1.61 | 22 | 50 | |||
| 228 | 140 | 1.63 | 60 | |||||||
| 25 | 30.5 | 25.5 | 266 | 160 | 1.66 | 25 | 60 | |||
| 350 | 208 | 1.68 | 75 | |||||||
| 28 | +0.025 +0.020 |
35.5 | 28.5 | 4 | 204 | 112 | 1.82 | 28 | 60 | |
| 252 | 154 | 1.64 | 75 | |||||||
| 32 | 39.5 | 32.5 | 294 | 176 | 1.67 | 32 | 75 | |||
| 350 | 208 | 1.68 | 90 | |||||||
| 38 | +0.030 +0.025 |
47.5 | 38.5 | 5 | 238 | 144 | 1.65 | 38 | 75 | |
| 280 | 176 | 1.67 | 90 | |||||||
| 45 | 54.5 | 45.5 | 320 | 198 | 1.7 | 45 | 90 | |||
| 400 | 234 | 1.71 | 110 | |||||||
| 50 | +0.035 +0.030 |
59.5 | 50.5 | 360 | 220 | 1.72 | 50 | 90 | ||
| 450 | 260 | 1.73 | 110 | |||||||
| 60 | 69.5 | 60.5 | 400 | 242 | 1.74 | 60 | 90 | |||
| 500 | 286 | 1.75 | 110 | |||||||
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Zhejiang Xiaoshan Golden Tortoise Machinery Co., Ltd., formerly known as Zhejiang Xiaoshan Precision Press Factory, specializes in the production of Golden Tortoise brand mechanical presses, precision cold-punching die bases and mechanical auxiliary devices. It has 2 production and commercial holding companies.
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Address: No. 40, Xianghu Road, Chengxiang Street, Xiaoshan District, Hangzhou City, Zhejiang Province, China
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