mirror grinding precision

Mirror Finish | Norton Abrasives

Mirror Finish | Norton Abrasives

Jun 29, 2020· In more technical terms, a mirror finished steel will have an Ra reading of less than 02 - Ra, or roughness average, measures microscopic peaks and troughs in the surface of the metal, the lower the number, the fewer or smaller the peaks and troughs are, meaning that your metal surface is smoother and more reflective

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Mirror grinding strokes - ATM, Optics and DIY Forum ,

Mirror grinding strokes - ATM, Optics and DIY Forum ,

Oct 18, 2018· Mirror grinding strokes - posted in ATM, Optics and DIY Forum: I have read somewhere that strokes should be done in about 1 Hz frequenci What happens if one does it more slowly or faster? Are there other aspects to the strokes one should consider and what happens if they are not met or exagerated? Thx, Lou

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Mirror surface | 株式会社岡本工作機械製作所 鏡面

Mirror surface | 株式会社岡本工作機械製作所 鏡面

NC Precision Surface Grinding Macvhine PSG106CA-iQ: Parts Name: mirror surface test work: Size: 250×200×10mm ,

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4 Kinds of Common Machining Process , - DESHENG PRECISION

4 Kinds of Common Machining Process , - DESHENG PRECISION

The surface roughness is generally Ra125 ~ 016 microns for grinding, and Ra016 ~ 004 microns for precision grinding, ultra-precision grinding The grinding is Ra004 ~ 001 microns, and the mirror grinding can reach Ra001 microns or less Grinding specific power (or specific energy consumption, that is, the energy consumed by cutting ,

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Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Joy of Mirror Making: Rough Grinding - BBAstroDesigns

Rough Grinding The first milestone is putting a curve into the mirror face The curve's depth dictates the mirror's focal length The curve should be spherical Creating the curve can be done by several methods: The curve is ground into the mirror face using a grinding tool The curve is pre-generated for you

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Mirror Industries OD/ID Grinding & Polishing

Mirror Industries OD/ID Grinding & Polishing

Mirror Industries offers precision OD & ID pregrind and finish grind processes to new and damaged cylindrical components to meet your specifications and toleranc Our in-house reconditioning processes allow for quick turnaround at considerable value to our clients Capabilities: Maximum OD grinding ,

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Mirror Roller, Mirror Rollers, Supper Finish, Ahmedabad ,

Mirror Roller, Mirror Rollers, Supper Finish, Ahmedabad ,

Welcome to Brahmani Grinding & Engineering In year 1995, two young entrepreneurs came together and laid the foundations of a company which today is widely regarded as the leader in providing surface engineering solutions through use of modern technologies in field of surface engineering

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CNC Optical Grinding Machines | OptiPro

CNC Optical Grinding Machines | OptiPro

CNC Optical Grinding Machines Improve the quality of your surfaces along with your bottom line In the world of precision grinding, accuracy, speed, and ease-of-use can coexist Save time and money with fast job setups, optimal cycle times, and quick turnaround tim

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Mirror grinding | Hacker News

Mirror grinding | Hacker News

The extraordinary precision (under 01 microns) is only possible because the surface is close to a sphere; when grinding two surfaces together uniformly in all directions, the result tends towards a sphere (or a flat shape, which is a sphere of infinite radius) If you had to make an arbitrary shape, things would be very different

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Introduction of Polycrystalline Diamond (PCD ,

Introduction of Polycrystalline Diamond (PCD ,

212 Mirror grinding of polycrystalline diamond Electrolytic in-process dressing (ELID) precision mirror grinding technology is a kind new ultra-precision machining technology developed by Japan Institute of Physics and Chemistry in the late 1980s

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Waite Research Telescope Mirrors :: Home

Waite Research Telescope Mirrors :: Home

Precision optical components and revolutionary "feet-on-the-ground" design for ultimate performance April 20, 2013--With the introduction of their Renegade 20" f/30 reflector, Waite Research has expanded from the fabrication of precision telescope mirrors into the manufacture of complete Newtonian telescope systems

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Precision Roll Grinding - MPP

Precision Roll Grinding - MPP

Grinding is a critical step that prepares the chromium plated surface to either accept a specialty finish or be polished to flawless mirror perfection At MPP, we bring the latest in technology as well as years of experience to the fine art of grinding chromium plated rolls so that they perform precisely as the customer expects

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China High Precision CNC Automatic Any Shape Edge Mirror ,

China High Precision CNC Automatic Any Shape Edge Mirror ,

China High Precision CNC Automatic Any Shape Edge Mirror Surface Glass Grinding Machine, Find details about China Surface Glass Grinding Machine, Glass Beveling Machine from High Precision CNC Automatic Any Shape Edge Mirror Surface Glass Grinding Machine - Jinan ,

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Ultra-Precise Mirror Polishing - Cactus Materials

Ultra-Precise Mirror Polishing - Cactus Materials

Super Precision Mirror Polishing on Cylindrical Surfac The polishing technology has been advanced to be capable of maintaining accuracy of size and shape, while at the same time achieving nano-level of surface roughness , even after the cylindrical grinding process, precision ,

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Telescope Making Supplies - willbell

Telescope Making Supplies - willbell

Willmann-Bell is pleased to offer precision inverse gratings at reasonable prices so that you can make that perfect mirror For less than the cost of doing it yourself you can get a precision grating that has been individually shot using one of the sharpest lenses available (a 55mm Auto Micro Nikkor f/35) mounted on a heavy, vibration damping ,

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Grinding and Polishing a Meniscus Mirror – Astronomy ,

Grinding and Polishing a Meniscus Mirror – Astronomy ,

As with grinding, the hand polishing of a fast meniscus mirror is not significantly different than traditional telescope mirrors So again I will focus on the aspects that make these mirrors unique First, the clear goal of this stage is to have a completely smooth and regular surface that is ready for figuring

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Stellafane ATM: Measuring Sagitta

Stellafane ATM: Measuring Sagitta

During grinding, the mirror is too rough to measure the focal length optically to any reasonable precision Therefore, we take a mechanical measurement of the Sagitta, or Depth of Curve, and using some simple formulas calculate the focal length This section will describe how to make this measurement accurately with simple tools

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Mirror grinding - scope making

Mirror grinding - scope making

A good starter size is the 150 mm (6") mirror A 200mm (8") will also work Most ATM books and websites recommend a Pyrex® mirror blank, but in my opinion, annealed plate glass is better for this first, "learn and practice" mirrorIt is cheaper, it is softer and grinds faster, needing less abrasives and with these small sizes, the low expansion glass like Pyrex has no practical (visible at ,

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Surface Lapping & Polishing | Swift Glass

Surface Lapping & Polishing | Swift Glass

For small components, single-sided polishing techniques are best suited to accomplish this task We employ double-sided polishing services for precision optical parts such as: wafers, mirrors and windows In addition to both polishing techniques, we have the ability to apply anti-reflective and surface mirror coating solutions

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CNC Grinding Services | cylindrical & surface grinding ,

CNC Grinding Services | cylindrical & surface grinding ,

Contour Grinding; Taper Grinds And more; As for CNC surface grinding, it is most proficient at producing tight tolerances or mirror finishes on flat, square, and parallel surfaces to an exact size to snugly fit into the finished product, as is often seen in the automotive and aerospace industri

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Grinding your own mirror - How is it possible to get ,

Grinding your own mirror - How is it possible to get ,

Aug 01, 2013· The best a 3D printer can hope to offer, is to print a slumping mold You would place a plate of glass over this and put them in a kiln and the glass would relax onto the convex surface of the mold to approximate a final figure This really only saves one from the hogging out phase of mirror grinding though

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Build your own telescope part 1: The mirror – Thomas ,

Build your own telescope part 1: The mirror – Thomas ,

The problem with thin mirrors is that they flex more easily during grinding and polishing, making it hard to achieve the required surface precision They also need a more complex mirror cell (additional support points) Plop is a useful software to let you calculate the number of points needed based on the diameter and thickness of the glass:

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Stellafane ATM:Mirror Making Myths

Stellafane ATM:Mirror Making Myths

Mirrors can only be made with Special Precision Equipment , With the Mirror on top, the tool on the bottom, and coarse grit in between, we start grinding with the mirror overhanging the tool We rub the center of mirror against the edge of the tool, and this wears a depression in the center of the mirror (the edge of the tool wears down also ,

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BAY AREA GRINDING

BAY AREA GRINDING

About Us Founded in 1991 and headquartered in the heart of Silicon Valley in San Jose, CA BAY AREA GRINDING provides precision SURFACE GRINDING, DOUBLE DISC GRINDING, BLANCHARD GRINDING and LAPPING services to our machining partners in the bay area We are well known for the high value we provide our customers through our cost effective and ultra precise grinding solutions, precision ,

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Hard Turning as an Alternative to Grinding | Production ,

Hard Turning as an Alternative to Grinding | Production ,

Jan 22, 2010· Polished mirror surface finishes of Rz=03~08z that can be achieved through grinding are not possible by hard turning alone Grinding has the additional advantage of being able to achieve higher dimensional roundness and cylindricity accuracies compared with hard turning

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Home - MPP

Home - MPP

Precision Roll Grinding Click to learn more Roll grinding is a critical step that prepares the chromium plated surface to accept a specialty finish or be polished to flawless mirror perfection Custom Solutions Click to learn more Team up with MPP Inc to make your next ,

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precision grinding | TDC Corporation 株式会社ティ・ディ・シー

precision grinding | TDC Corporation 株式会社ティ・ディ・シー

TDC is offering not only precision polishing service but also grinding service grinding machine “Optimum value creator” 1500 x 600 has returned to TDC factory after overhaul last month Thanks to this overhaul, the flatness and roughness quality ,

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Precision Grinding Services | CNC Surface Grinding - SANS

Precision Grinding Services | CNC Surface Grinding - SANS

Precision Grinding Capabiliti Our grinding systems that can achieve surface finishes to 02~0025 Ra with tolerances as tight as 0002mm Detailed tolerance and surface finishes can vary due to material type of both the part and the grinding wheel Min ID Grinding diameter : 60mm Max OD Grinding diameter :260mm Max Surface Grinding Size ,

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KWI Grinding, Machining, EDM, Powder Compaction

KWI Grinding, Machining, EDM, Powder Compaction

KWI Grinding have an accumulated wealth of experience from a wide range of industries and skill disciplin This shows through KWI Grinding’s consistent track record of supplying high precision engineering, finish machined, close tolerance components, across a wide range of Tungsten Carbide grade applications

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