SUMEC TOUCH WORLD

Fully automatic blade r angle grinder (LCR-200B/C)
Product description: The fully automatic R angle machine is mainly suitable for precision grinding of R angles of CNC inserts. It can be used on cemented carbide, cermet, CBN, PCD and other materials. It can save labor, improve efficiency, and greatly improve product quality. The ruler angle can be reduced from 0.05mm to 3 mm, and the repeated grinding accuracy of R angles can reach 0.002mm.
Product description:
A. CCD optical automatic positioning/automatic capture automatic inverted R angle.
B. Stable operation/strong interference resistance/resistant to high temperature and dust environment.
C. The main shaft and rotating shaft of the equipment adopt high-precision mechanical main shafts, with axial and radial runout ≤ 0.002mm, and a minimum arc of 0.05mm.
D. The overall cast iron base of the equipment and high-precision screw guide rails ensure the rigidity and accuracy of the equipment.
E. The machine comes with a plasticine cleaning function. Improve the machine's visual misjudgment caused by grinding powder adhering to the tip of the knife.
F. The main shaft has its own cooling device to solve the unstable factors caused by the difference between cold and heat engines.
G. You can change the fixture and adjust the grinding wheel fixture to adapt blades with various shapes and rear corners.
The H. R angle machine can also correspond to blades that grind left and right tips at the same time. The equipment comes with a C axis, which can adjust the angle dynamically, making it truly fully automatic.
J. The equipment comes with a detection function, which can detect the current size after each grinding and automatically determine whether back grinding is needed.
Scope of application:Vertical installation or paperback, single/double slotted cemented carbide (tungsten steel), cermet, CBN, diamond.
Machinable blade material:Ceramics, BIDEMICS, CBN, PVD particulate cemented carbide, CVD cemented carbide, cermet, PCD and other common materials.
 

Dongguan Shengminghong Precision Machinery Co., Ltd., founded in 2018, is a modern manufacturing enterprise specializing in the R&D, production, sales, and after-sales service of CNC insert grinding equipment. With continuous technological innovation and strict quality management, the company has been recognized as a National High-Tech Enterprise and successfully obtained ISO 9001 Quality Management System certification in May 2022, providing professional and reliable equipment solutions for the industry.

I. Founding Mission: Addressing Industry Pain Points and Filling Technical Gaps

At the time of its establishment, China's cutting tool industry was facing a critical bottleneck in the field of insert grinding processing: core equipment relied heavily on imports from Europe, America, Japan, and South Korea. This not only resulted in high equipment procurement costs but also led to long maintenance cycles and slow response times for after-sales services, further restricting the upgrading of the domestic cutting tool industry. Targeting this "bottleneck" issue, Shengminghong took "breaking import dependence and promoting equipment localization" as its founding mission, immediately increasing R&D investment and establishing a professional technical team to tackle core technologies.

II. Development Progress: From Automation Upgrade to Localization Replacement

After years of in-depth development, Shengminghong's equipment R&D and market expansion have clearly gone through two key phases, steadily driving the iteration of industry equipment:

1. Automation Transformation Phase: Focusing on the industry's demand for efficiency upgrading from "manual machine tools" to "automatic machine tools", the company successfully developed basic automated equipment such as insert end face grinders, CNC insert peripheral grinders, and 3/4/5-axis CNC insert grinders. These equipment solved the pain points of unstable precision and low efficiency in traditional processing, quickly gaining recognition from the industry.
2. Localization Replacement Phase: Building on automation, the company continued to make breakthroughs, launching a series of high-end equipment including fully automatic R-angle grinders, grinding wheel dressers, and supporting automatic tooling fixtures, realizing the localization replacement of imported core equipment. Up to now, the localization rate of grinding equipment in China's cutting tool industry has risen to over 80%, with Shengminghong's products accounting for more than 50% of the market share, becoming a core force in localization replacement.

III. Technological Breakthroughs: Independent Innovation Leading Industry Upgrading

As a technology-driven enterprise, Shengminghong has always placed R&D at the core of its strategy. Currently, all its equipment and tooling fixtures possess complete independent intellectual property rights, with numerous core patents accumulated. Since 2023, the company's newly developed "intelligent CNC equipment operating system" has achieved major technological breakthroughs:

• Innovatively integrating 3D simulation technology with machine tool programming, it deeply combines the traditionally complex machine code programming with intuitive interface-based programming, breaking the monopoly of foreign 3D industrial software in this field;
• After equipment upgrading, comprehensive improvements have been made in core indicators such as grinding process precision, operational stability, and processing efficiency. Meanwhile, it has significantly reduced the learning curve for operators, effectively minimizing production losses caused by operational errors, thus creating dual value of "high precision, high efficiency, ease of operation, and low loss" for customers.

IV. Business Philosophy: Building Market Reputation with Professionalism and Integrity

Since its establishment, Shengminghong has always adhered to the business philosophy of "Integrity-Based, Professional Dedication, Pursuit of Excellence, and Innovation for the Future":

• Building a trust bridge with customers through "integrity" and providing full-lifecycle after-sales service;
• Focusing on the field of insert grinding equipment with "professional dedication" and avoiding distraction from diversification;
• Controlling every production detail of equipment with "pursuit of excellence" and achieving quality standardization through the ISO 9001 system;
• Responding to the industry's demand for mid-to-high-end upgrading with "innovation for the future" and helping domestic cutting tool enterprises break through international market barriers.
  With solid technical strength and reliable services, the company has grown into a major equipment supplier in China's cutting tool manufacturing industry, serving customers covering core industrial clusters such as the Yangtze River Delta and the Pearl River Delta.

V. Future Planning: Advancing towards a Global Benchmark in High-End Precision Equipment

Looking ahead, Shengminghong is launching its "third development phase" – striving to tackle "high-end precision equipment" and build a globally renowned cutting tool equipment supplier. The specific plans include:

• Short-term: Accelerate the R&D of high-end equipment such as CNC insert passivation and polishing all-in-one machines and superhard insert series grinders to fill the gap in domestic superhard material grinding equipment;
• Medium-term: Establish the industry's first "grinding process laboratory" to conduct research on material grinding characteristics; jointly build an "intelligent manufacturing training base" with universities to cultivate professional operation and technical talents;
• Long-term: Taking technological breakthroughs and industrial services as the dual driving forces, develop a full-process automated solution for insert grinding, and strive to become a benchmark enterprise in the global cutting tool grinding equipment field.

Profile of Dongguan Shengminghong Precision Machinery Co., Ltd.

Dongguan Shengminghong Precision Machinery Co., Ltd., founded in 2018, is a modern manufacturing enterprise specializing in the R&D, production, sales, and after-sales service of CNC insert grinding equipment. With continuous technological innovation and strict quality management, the company has been recognized as a National High-Tech Enterprise and successfully obtained ISO 9001 Quality Management System certification in May 2022, providing professional and reliable equipment solutions for the industry.

I. Founding Mission: Addressing Industry Pain Points and Filling Technical Gaps

At the time of its establishment, China's cutting tool industry was facing a critical bottleneck in the field of insert grinding processing: core equipment relied heavily on imports from Europe, America, Japan, and South Korea. This not only resulted in high equipment procurement costs but also led to long maintenance cycles and slow response times for after-sales services, further restricting the upgrading of the domestic cutting tool industry. Targeting this "bottleneck" issue, Shengminghong took "breaking import dependence and promoting equipment localization" as its founding mission, immediately increasing R&D investment and establishing a professional technical team to tackle core technologies.

II. Development Progress: From Automation Upgrade to Localization Replacement

After years of in-depth development, Shengminghong's equipment R&D and market expansion have clearly gone through two key phases, steadily driving the iteration of industry equipment:

1. Automation Transformation Phase: Focusing on the industry's demand for efficiency upgrading from "manual machine tools" to "automatic machine tools", the company successfully developed basic automated equipment such as insert end face grinders, CNC insert peripheral grinders, and 3/4/5-axis CNC insert grinders. These equipment solved the pain points of unstable precision and low efficiency in traditional processing, quickly gaining recognition from the industry.
2. Localization Replacement Phase: Building on automation, the company continued to make breakthroughs, launching a series of high-end equipment including fully automatic R-angle grinders, grinding wheel dressers, and supporting automatic tooling fixtures, realizing the localization replacement of imported core equipment. Up to now, the localization rate of grinding equipment in China's cutting tool industry has risen to over 80%, with Shengminghong's products accounting for more than 50% of the market share, becoming a core force in localization replacement.

III. Technological Breakthroughs: Independent Innovation Leading Industry Upgrading

As a technology-driven enterprise, Shengminghong has always placed R&D at the core of its strategy. Currently, all its equipment and tooling fixtures possess complete independent intellectual property rights, with numerous core patents accumulated. Since 2023, the company's newly developed "intelligent CNC equipment operating system" has achieved major technological breakthroughs:

• Innovatively integrating 3D simulation technology with machine tool programming, it deeply combines the traditionally complex machine code programming with intuitive interface-based programming, breaking the monopoly of foreign 3D industrial software in this field;
• After equipment upgrading, comprehensive improvements have been made in core indicators such as grinding process precision, operational stability, and processing efficiency. Meanwhile, it has significantly reduced the learning curve for operators, effectively minimizing production losses caused by operational errors, thus creating dual value of "high precision, high efficiency, ease of operation, and low loss" for customers.

IV. Business Philosophy: Building Market Reputation with Professionalism and Integrity

Since its establishment, Shengminghong has always adhered to the business philosophy of "Integrity-Based, Professional Dedication, Pursuit of Excellence, and Innovation for the Future":

• Building a trust bridge with customers through "integrity" and providing full-lifecycle after-sales service;
• Focusing on the field of insert grinding equipment with "professional dedication" and avoiding distraction from diversification;
• Controlling every production detail of equipment with "pursuit of excellence" and achieving quality standardization through the ISO 9001 system;
• Responding to the industry's demand for mid-to-high-end upgrading with "innovation for the future" and helping domestic cutting tool enterprises break through international market barriers.
  With solid technical strength and reliable services, the company has grown into a major equipment supplier in China's cutting tool manufacturing industry, serving customers covering core industrial clusters such as the Yangtze River Delta and the Pearl River Delta.

V. Future Planning: Advancing towards a Global Benchmark in High-End Precision Equipment

Looking ahead, Shengminghong is launching its "third development phase" – striving to tackle "high-end precision equipment" and build a globally renowned cutting tool equipment supplier. The specific plans include:

• Short-term: Accelerate the R&D of high-end equipment such as CNC insert passivation and polishing all-in-one machines and superhard insert series grinders to fill the gap in domestic superhard material grinding equipment;
• Medium-term: Establish the industry's first "grinding process laboratory" to conduct research on material grinding characteristics; jointly build an "intelligent manufacturing training base" with universities to cultivate professional operation and technical talents;
• Long-term: Taking technological breakthroughs and industrial services as the dual driving forces, develop a full-process automated solution for insert grinding, and strive to become a benchmark enterprise in the global cutting tool grinding equipment field.

full name of enterprise in
Dongguan city Shengminghong Precision Machinery Co., Ltd
(Former name: None, Unified Social Credit Code: 91441900 MA51PW9M8C)

establishment time
May 22, 2018

registered address
Building 2, No. 66, Xiangshan Road, Jipling, Dalingshan Town, Dongguan city, Guangdong Province (

registered capital
RMB 10.6 million (latest subscribed capital in April 2023)

nature of the enterprise

• Limited liability company (investment or holding by natural persons)
• National high-tech enterprise (recognized in 2023)
• innovative small and medium-sized enterprises
• Passed ISO 9001:2015 Quality Management System Certification (May 2022)

intellectual property

• Have completely independent intellectual property rights and have accumulated11 patents(as of 2025), including:
  • Intelligent monitoring method for grinding machines (CN202410874320.3)
  • Precision grinding spindle protective structure (CN221658770U)
  • Automatic grinding and clamping device for T-shaped threaded insert (utility model patent)

technical advantages

• It is the first in China to integrate 3D simulation and machine tool programming to break the monopoly of foreign industrial software
• The grinding accuracy of the equipment reaches ±2μm, the stability is increased by 30%, and the operating efficiency is increased by 40%
• Self-developed equipment achieves import substitution, promoting the industry's localization rate from less than 30% to more than 80%