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A kind of wire saw beads with uniform distribution of abrasive particles and manufacturing method

A wire saw beaded and evenly distributed technology, which is applied in the tool manufacturing, manufacturing tools, sawing device and other directions of the sawing machine device, can solve the problem of uneven distribution of abrasive particles, and achieve the effects of ensuring uniform consumption, reducing usage and saving costs.

Active Publication Date: 2019-10-15
福建天石源科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uneven distribution of abrasive grains is an urgent problem to be solved in diamond beaded wire saws

Method used

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  • A kind of wire saw beads with uniform distribution of abrasive particles and manufacturing method
  • A kind of wire saw beads with uniform distribution of abrasive particles and manufacturing method
  • A kind of wire saw beads with uniform distribution of abrasive particles and manufacturing method

Examples

Experimental program
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Effect test

specific Embodiment 1

[0044] Specific embodiment 1: as Figure 3-9 As shown, extra small diameter (φ6.30mm-6.0mm) diamond evenly distributed wire saw bead manufacturing

[0045] Substrate 1 is a 45# circular cylinder with a length of 10mm and an inner and outer diameter of φ3.70 and φ4.50mm respectively, and a diamond particle size of 45 / 50 (particle size φ0.30-0.36mm). The main element is FeCuNiSn pre-alloyed powder, The theoretical density is about 8.11g / cm3, the outer diameter of the beaded working layer is φ6.50mm before cutting, and the height is 6.00mm. It is assembled and sintered by four cutting unit ring blanks. Bead production process: 1. Cr12 is selected for the cold press mold, and the size of the cold press mold is determined according to the size of the beads. The outer diameter of the upper pressing rod 3 is φ6.50mmH8, the inner diameter is φ4.50h7mm, and the inner diameter of the main mold 4 is φ6.50H8mm , the outer diameter of the inner ring top column of the lower ejector rod 5 i...

Embodiment 2

[0046] Embodiment 2: as Figure 10 As shown, regular size models (φ12.0mm-6.5mm) made of concrete cutting rope beads

[0047] Substrate 1 is a 45# circular cylinder with a length of 12mm and an inner and outer diameter of φ5.0 and φ7.0mm, respectively, and a diamond particle size of 40 / 45 (particle size φ0.35-0.43mm). The main element is FeCoCu pre-alloyed powder, The theoretical density is about 8.78g / cm 3 , The recommended sintering temperature is 900°C.

[0048] The outer diameter of the beaded working layer is φ12.0mm, the inner diameter is φ7.00mm, and the height is 6.50mm. It is assembled and sintered by four cutting unit ring blanks. Bead production process: 1. Select cold press mold material Cr12, determine the size of the cold press mold according to the design size of the beads, the outer diameter of the upper pressing rod 3 is φ12.00mmH8, the inner diameter is φ7.00h7mm, and the inner diameter of the main mold 4 is φ12.00H8mm, the outer diameter of the inner ring...

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Abstract

The invention discloses a hot-press sintering rope saw bead string with evenly-distributed grinding particles. The bead string is composed of a casing work layer and a base body, and is characterized in that the grinding particles on the casing work layer are evenly distributed in the space. The casing work layer is formed through stacking, hot pressing and sintering of a plurality of layers of cutting unit rings. The grinding materials in cutting unit ring blanks are arranged in order along the circumference concentric with the center axes of the cutting unit rings. According to the manufacturing process of the bead string, the cutting unit ring blanks with the evenly-distributed single-layer grinding materials are manufactured in an alloy die cold pressing manner; string beads are strung to the base body according to the uniform same direction; the string beads are placed in a graphite sintering die, and the rope saw bead string with the grinding particles evenly distributed in the space is obtained through hot-press sintering forming; and the grinding materials are evenly distributed in the whole space, uniform consumption of the string beads is guaranteed, eccentric wear scrapping caused by uneven grinding particle distribution is avoided, and the problem about the cutting quality caused by eccentric wear scrapping is solved. The usage amount of the grinding particles is reduced, and cost is saved. Orderly distribution of diamonds can be conducted without a bonding agent or an auxiliary template or the like, and quality guaranteeing and high efficiency are achieved.

Description

technical field [0001] The invention relates to a diamond wire saw, in particular to a hot-pressed sintered wire saw bead with evenly distributed abrasive grains and a manufacturing method thereof. The manufactured products can be widely used in the processing of brittle and hard materials such as stone, concrete, cast iron, and steel components. Background technique [0002] Since the diamond beaded wire saw was invented, it has been popularized and used on a large scale due to its good matching versatility with the material to be cut and the convenience of no special requirements for the construction site, especially in stone mining and plate processing, steel bars Concrete cutting, cast iron cutting, and other brittle and hard material processing fields have achieved good social and economic value. [0003] The current hot-pressed sintered wire saw beads, such as figure 1 , 2 As shown, abrasive grains and metal powder (alloy powder) are generally mixed mechanically, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28D1/12B23D57/00B23D65/00B22F3/03B22F3/14B22F5/00
Inventor 陈拓刘庆峰陈明华宋卫涛
Owner 福建天石源科技股份有限公司
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