Henan Huanghe Whirlwind International Co., Ltd.

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Update July 29, 2019
How to choose diamond blades
1. Basic data: 1 machine spindle speed, 2 workpiece thickness and material, 3 blade saw outer diameter and aperture (shaft diameter); 2. Selection basis: Calculated by the spindle rotation number and...
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Update June 12, 2019
Certification of quality, environment, and occupational health and safety management systems Huanghe Whirlwind
From May 28th to 31st, the expert team of the audit team of Beijing Zhonglian Certification Center reviewed the quality, environment and occupational health and safety management system of the...
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Update June 12, 2019
Standards for the Identification and Classification of Synthetic Diamonds
Recently, the “Standards for the Identification and Classification of Synthetic Diamonds” jointly developed by 17 units including the Jewelry and Jade Jewelry Management Center (NGTC) of the Ministry...
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Update June 11, 2019
2.0~7.0 mm gem-quality colorless single crystal diamond
Company News | Yao Wenxiong, Chairman of Hong Kong Baili Group, visited the Diamond Division of the company Yao Wenxiong, Chairman of the Hong Kong Baili Group Visiting the company's Diamond Division...
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Update October 29, 2018
Synthetic diamond substitute natural diamond cutter
Synthetic diamonds replace natural diamond tools Currently, single crystal diamonds, PCD (or PCD/CC), and CVD diamonds have been successfully used as turning tools, boring tools, drills, reamers,...
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Update October 26, 2018
Industry knowledge: rock breaking mechanism of diamond drill bits
The rock breaking effect of the diamond bit is done by diamond particles. To understand the rock breaking effect of the drill bit, it is necessary to understand the rock breaking effect of the single...
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Update October 22, 2018
Analysis of Application Prospects of Diamond Tools Market
Diamond tool non-ferrous metal wear-resistant material processing applications, has excellent adaptability. Tool material, diamond is the hardest. Under suitable processing conditions, diamond has a...
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Update October 18, 2018
Grinding characteristics of PCD and PCD tool sharpening technology (4)
5.2 Sharpening process points (1) The precision of the spindle is good. Generally, the end face of the grinding wheel should be ≤ 0.02mm. The end face of the grinding wheel is too large, and the...
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Update October 17, 2018
Grinding characteristics of PCD and PCD tool sharpening technology (3)
(3) The tool holder of the machine tool has high-precision rotation function and on-line detection device. Because the PCD material is hard and brittle and wear-resistant, the tool tip is usually...
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Update October 15, 2018
Grinding characteristics of PCD and PCD tool sharpening technology (2)
(1) Large grinding force Diamond is the hardest material among minerals. The wear amount of friction with various metal and non-metal materials is only 1/50~1/800 of cemented carbide; the hardness of...
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