Ultra-precision grinding is an effective method to machine the optical micro v-groove, which is one of microstructures applied to the fiber-optics connectors, displays and other photonics devices. The ultra-precision grinding technology directly obtains high surface quality for brittle materials when the grinding process is under the ductile mode.

Read On

Improving product quality and precision is the permanent pursuit of modern manufacturing science and technology. Recently, ultra-precision machining technology is a kind of technology that ensures machining accuracy in the range of 0.1‒100 nm and surface roughness R a less than 10 nm. However, the definition of "ultra-precision" is being updated continuously as the latest …

Read On

Ultra-precision machining (UPM) has been suggested as one way to precisely process sapphire. By using ultra-precision machining with the depth of cut of a few nanometers, an extremely fine machined surface can be obtained. At this scale, sapphire transitions from a brittle material response and exhibits plastic deformation and ductile material ...

Read On

This book presents an in-depth study and elucidation on the mechanisms of the micro-cutting process, with particular emphasis and a novel viewpoint on materials characterization and its influences on ultra-precision machining. Ultra-precision single point diamond turning is a key technology in the manufacture of mechanical, optical and opto ...

Read On

precision micro-machining system is imperative. Ultra-precision Machining Precision Development Trends . Presently, Precision and Ultra-precision Machining still has great development space on machining accuracy. A processing method is presented, which can remove atomic unit. In …

Read On

ultra-precision machining, ... wire electrical discharge grinding process ... In particular, the micro-milling process is highly suitable for very precise and …

Read On

The technology of ultra-precision machining, spanning almost three decades, has only in recent years experienced major advances in machine design and, subsequently, performance and productivity. In the 1970's, ultra-precision machining techniques were successfully adopted for the manufacture of computer memory discs used in

Read On

Ultra-Precision Machining: Cutting With Diamond Tools D. A. Lucca, ... Figure 8 shows a summary of the results where the MRR is a relative value normalized to lapping or grinding on the (100) plane in the [011] cutting direction. Note there is a two order of magnitude difference in the material removal rate for the (100) plane, [011] direction ...

Read On

Micro grinding with a poly crystalline diamond (PCD) tool is one of the promising approaches for fabricating a micro mold on difficult-to-cut materials. As the process can also achieve good surface integrity without additional finishing …

Read On

This paper provides an overview of several approaches to micro-machining by mechanical and electro-discharge means of material removal. Two steps are required in machining micro features. Firstly, a custom-shaped tool is created from suitable stock.

Read On

At DEK, we pride ourselves on ultra-precision technology and quality. Our capabilities in grinding start at 0.1mm up to 300mm in diameter, 2mm up to 1200mm in length with a tight tolerance as low as ±0.001mm (+/- 0.00005″), and a micro finish as low as 0.6ra. Don't hesitate, we are your best partner for precision grinding services, contact ...

Read On

The Adoption of Laser Micro-cutting and Heating in Ultra-precision Machining Process-Jide Han 2018 Simulation and Experiments of Material-Oriented Ultra-Precision Machining-Junjie Zhang Ultra-precision machining is a promising solution for achieving excellent machined surface quality and

Read On

Ultra-precision grinding is an abrasive process, providing high surface quality but hardly up to that of ultra-precision diamond cutting. It is primarily adopted for machining difficult-to-cut materials with a grinding wheel of frequently-used diamond or cubic boron nitride grits [].Ultra-precision polishing is also an abrasive process for machining difficult-to-cut materials with …

Read On

Overview of the entire process. At Fraunhofer IPT we draw on many years of experience in the field of ultra-precision machining to produce parts with the highest levels of form accuracy and surface quality. We always take a holistic view, encompassing the entire production process: We analyze the part geometry and design the processes accordingly.

Read On

An ultra precision micro grinding process using PCD tools trued by micro EDM. Broadband digital networks require micro mechanical components and optical devices. These devices require ultra precision shapes. With such optical devices as optical wave-guides and micro lens arrays, the machining accuracy required is in the sub-micron regime and ...

Read On

Current precision and ultra precision machining technology to continue to study the new theory, new technology and new method, at the same time, toward the direction of high performance, the ultimate, and through parts of the manufacturing process or the

Read On

Advances in Ultra Precision Manufacturing O. Riemer Laboratory for Precision Machining (LFM), Bremen, Germany Abstract: In the past many qualified technologies have been established for the manufacture of optical, precision and micro parts as well as precision structured surfaces.

Read On

eBook Download BOOK EXCERPT: Volume is indexed by Thomson Reuters CPCI-S (WoS). The topics covered herein include: Single-point diamond turning; Ultra-precision grinding technology; High-speed and high-efficiency machining; Machine tools and systems; In-process measurement and monitoring; Metrology and evaluation; Finishing, lapping and polishing; Micro/nano …

Read On

Deterministic micro-cutting processes such as diamond micro-milling, raster fly-cutting and micro-grinding are used to efficiently manufacture optical quality freeform surfaces like the one in …

Read On

3D Industries has been provider of precision ID / OD grinding services for industries including medical, aerospace, Nuclear, military / defense, industrial, die-mold and power generation. We have worked with industry leaders including, Boeing, …

Read On

Ultra-precision grinding. Machining operations conducted on brittle and hard materials calls for the use of tools with geometrically undefined cutting edge. ... Accordingly, wherever a part with high-precision surfaces is to be produced, an ultra-precision grinding process is essential.

Read On

Micro-milling / Grinding 450UPLv2 Mid-Size Lathe ... micro-milling process surpasses FTS per-formance with better resulting form accu- ... 2-axis ultra precision machining option for aspheric and diffractive lens arrays. Wielandts upmt, located in Belgium, purchased the Nano-

Read On

Dear Colleagues, Ultra-precision machining is a multi-disciplinary research area that is an important branch of manufacturing technology. It targets achieving ultra-precision form or surface roughness accuracy, forming the backbone and support of today's innovative technology industries in aerospace, semiconductors, optics, telecommunications, energy, etc.

Read On