grinding mirror machine pdf

  • tut44 Making A Mirror Grinding Tool Asterism

    After fine grinding is complete, the mirror must be polished. It is during polishing that you “figure” the mirror by using a different polishing stroke to change the mirror’s spherical polished shape into a parabolic polished shape . See a related tutorial nearby

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  • Lens & Mirror Making Best lenses and mirrors are both made

    Grinding Motion • Move mirror back and forth over tool & grinding compound • After number of strokes rotate mirror, tool in opposite direction • Change position of stroke alternatively • Eventually move fully around the mirror • Grit removes material from both • But tool edges wear down, while mirror

  • M-o-M Free Preview Mirror-o-matic

    Mirror-o-Matic was designed to be a very low cost astronomical mirror grinding, polishing and figuring machine. Its attributes are: 1. It can be built for somewhere between $200 and $400. 2. It is constructed of hardware store items and it needs no machined parts. 3. It is constructed primarily of 3/4 inch plywood and has few close tolerances. 4.

  • grinding mirror machine pdf Products

    grinding mirror machine pdf. 250tph river stone crushing line in Chile. 200tph granite crushing line in Cameroon. 250tph limestone crushing line in Kenya. 250tph granite crushing line in South Africa. MCC 120tph granite crushing line in Zimbabwe. 400tph crushing plant in Guinea. Chat Online

  • THE VISION OF PRECISION Optical Grinders

    between the machine and the grindstone to deliver superior performance with the widest range of work materials. High-Quality Grinding that Exceeds Specifications—The accuracy of our grinding and processing work goes beyond simply measuring RZ to deliver mark-less and sharp-edge mirror finishes.

  • GRINDING MACHINES Carnegie Mellon University

    grinding machines, bufting machines. and reciprocating surface grinding machines. UTILITY GRINDING MACHINES The utility grinding machine is intended for offhand grinding where the workpiece is supported in the hand and brought to bear against the rotating grinding abrasive wheel. The accuracy of this type of grinding machine depends on the

  • Mirror-o-Matic mirror making machine ATM pages of

    Mirror-O-Matic grinding machine. When I decided in 2009 after a ten-year break to get into mirror making again, it quickly became clear to me that I would need to construct machine, as hand grinding big mirrors is not something very beneficial for the hands of a musician.

  • 1. Grinding 1.1. Grinding and Abrasive Machines

    Grinding flat or plane surfaces is known as surfaces grinding. Two general types of machines have been developed for this purpose; those of the planer type with a reciprocating table and those having a rotating worktable. Each machine has the possible variation of a horizontal or vertical positioned grinding wheel spindle. The

  • Mirror Grinding Machine

    My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. Most of them came from industrial junk yards.

  • Making a homemade mirror grinding machine ATM, Optics

    Mar 06, 2006· Making a homemade mirror grinding machine posted in ATM, Optics and DIY Forum: I want to make a motorized mirror grinder,any good info on this,i have a couple geared motors,low speed high torque. One more questionwill 1 1/2 shaft size pillow block bearings work good for a homemade EQ mount? Thank you,John

  • Constructing a Grinding Machine for large aperturesDec 17, 2020Types of mirror grinding machinesNov 16, 2018Mirror Grinding MachineSep 29, 2010zeiss grinding machine designDec 29, 2008See more results
  • M-o-M Free Preview Mirror-o-matic

    Mirror-o-Matic was designed to be a very low cost astronomical mirror grinding, polishing and figuring machine. Its attributes are: 1. It can be built for somewhere between $200 and $400. 2. It is constructed of hardware store items and it needs no machined parts. 3. It is constructed primarily of 3/4 inch plywood and has few close tolerances. 4.

  • tut44 Making A Mirror Grinding Tool Asterism

    After fine grinding is complete, the mirror must be polished. It is during polishing that you “figure” the mirror by using a different polishing stroke to change the mirror’s spherical polished shape into a parabolic polished shape . See a related tutorial nearby

  • THE VISION OF PRECISION Optical Grinders

    between the machine and the grindstone to deliver superior performance with the widest range of work materials. High-Quality Grinding that Exceeds Specifications—The accuracy of our grinding and processing work goes beyond simply measuring RZ to deliver mark-less and sharp-edge mirror finishes.

  • Mirror Grinding Machine

    My Mirror Grinding Machine. For a long time I've wanted to build a machine for grinding telescope mirrors. Dennis Rech's M-o-M designs finally inspired me to just get up and do it. Over the years, I'd been collecting motors, gear boxes, pulleys, etc. Most of them came from industrial junk yards.

  • Grinding and Polishing ASM International

    An automatic grinding and polishing machine is shown in Fig. 4.1. Automatic grinding methodsteps are: 1. Symmetrically load three to six mounted specimens into the specimen holder of an automatic grinding-polishing machine, with the flat sur-face of the ceramic section downward. Most manufacturers provide a

  • Fine grinding of silicon wafers K-State

    International Journal of Machine Tools & Manufacture 41 (2001) 659–672 Fine grinding of silicon wafers Z.J. Pei a,*, Alan Strasbaugh b a Department of Industrial and Manufacturing Systems, Kansas State University, Manhattan, KS 66506, USA b Strasbaugh, Inc., 825 Buckley Road, San Luis Obispo, CA 93401, USA Received 17 November 1999; accepted 5 October 2000

  • Grinding and Finishing IIT Bombay

    Grinding Ex. 1-1 • You are grinding a steel, which has a specific grinding energy (u) of 35 W-s/mm3. • The grinding wheel rotates at 3600 rpm, has a diameter (D) of 150 mm, thickness (b) of 25 mm, and (c) 5 grains per mm2. The motor has a power of 2 kW. • The work piece moves (v) at 1.5 m/min. The chip thickness ratio (r) is 10.

  • 14 Types of Grinding Machines [Working, Diagram & PDF]

    May 25, 2021· 5. Flexible Grinder. 2.6. 6. Precision Grinder. Machines in which grinding wheels are fitted and grinding is done, such machines are called grinding machines. On the basis of their function, they can be divided into two parts. Ordinary grinding machines which are widely used.

  • jeffbaldwin

    Fixed-post machine grinding is where the mirror is on a turntable rotating around 20 PRM [speeds vary], and a 75% tool is on top. They are already curve-generated. The tool is hanging over the mirror by 1/6 the diameter of the tool, or about 1/8 diameter of the mirror, and is fixed in this position.

  • Motor and Gearbox for a Computerized Mirror Grinding Machine

    Feb 13, 2014· Gordon Waite shows you the 3-phase motor and VFD (Variable Frequency Drive) that he is installing on the computer-controlled mirror grinding and polishing ma.

  • Author: GordonWaite
  • POLISHING OF MOULD STEEL Uddeholm

    with mirror finish the preparation process must involve several grinding and diamond polishing steps and these have to be performed in a clean workplace. The use of proper working tools facilitates the process a lot. High surface finish reduces the risk of local corrosion and fracture or cracking due to temporary over load-ing or pure fatigue.

  • Build your own telescope part 1: The mirror Thomas

    Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.

  • CN103495916A Numerical control mirror grinding machine

    the mill illuminating apparatus is a kind of machine that grinds optical mirror plane, for spherical mirror, can directly grind easily, for aspherical mirror, generally rely on grinding technology to be controlled, in process, need constantly to detect and reconditioning, complex process, high to workman's specification requirement, thereby with high costs.For resin lens, the eyeglass that

  • 9/Series CNC Grinder Operation and Programming Manual

    Because of the variety of uses for the products described in this publication, those responsible for the application and use of this control equipment must satisfy themselves that all

  • GRINDING MACHINES Carnegie Mellon University

    grinding machines, bufting machines. and reciprocating surface grinding machines. UTILITY GRINDING MACHINES The utility grinding machine is intended for offhand grinding where the workpiece is supported in the hand and brought to bear against the rotating grinding abrasive wheel. The accuracy of this type of grinding machine depends on the

  • US1171174A Parabolic-mirror-grinding machine. Google

    Download PDF Info Publication number US1171174A. Parabolic-mirror-grinding machine. Applications Claiming Priority (1) Application Number Priority Date Filing Date Title; US86695214A US1171174A (en) 1914-10-16: 1914-10-16: Parabolic-mirror-grinding machine.

  • CN103495916A Numerical control mirror grinding machine

    the mill illuminating apparatus is a kind of machine that grinds optical mirror plane, for spherical mirror, can directly grind easily, for aspherical mirror, generally rely on grinding technology to be controlled, in process, need constantly to detect and reconditioning, complex process, high to workman's specification requirement, thereby with high costs.For resin lens, the eyeglass that

  • Machine safeguarding at the point of operation

    Grinding machines are powerful and designed to operate at high speeds. If a grinding wheel shatters while in use, the fragments can travel at more than 300 miles per hour. In addition, the wheels found on these machines (abrasive, polishing, wire, etc.) often rotate at

  • A grinding-based manufacturing method for silicon wafers

    A grinding-based manufacturing method for silicon wafers: an experimental investigation Z.J. Peia,*, Graham R. Fisherb, Milind Bhagavatb, S. Kassirc aDepartment of Industrial and Manufacturing Systems Engineering, Kansas State University, 237 Durland Hall, Manhattan, KS 66506, USA bMEMC Electronic Materials, Inc., 501 Pearl Drive, St Peters, MO 63376, USA

  • POLISHING OF MOULD STEEL Uddeholm

    with mirror finish the preparation process must involve several grinding and diamond polishing steps and these have to be performed in a clean workplace. The use of proper working tools facilitates the process a lot. High surface finish reduces the risk of local corrosion and fracture or cracking due to temporary over load-ing or pure fatigue.

  • Mirror surface grinding of sapphire by coarse grain size

    Abstract. This paper discusses the grinding of sapphire for mirror surfaces by coarse grain size diamond wheels. Sapphire is a hard-to-machine material because it has excellent mechanical

  • 3M Precision Grinding & Finishing 3M Conventional

    tomobile, machine tools, tool and die, glass, and steel industries. Conventional grinding with 3M As a full scale provider of machines and acces sories, we at 3M are one of the top companies for modern grinding technology. Throughout the entire grinding process on the way to perfect surfaces, we rep-resent the peak of technology in

  • Build your own telescope part 1: The mirror Thomas

    Rough grinding. This step is about making one side of the glass concave. It will give your mirror its overall focal ratio. If you make the centre deep, you will end up with a fast telescope (e.g. F/D = 4) well suited for deep sky observations. On the opposite, a shallow mirror (e.g. F/D = 8) will be performing very well on planets and the moon.

  • ELID Grinding and Polishing ScienceDirect

    Jan 01, 2015· Mirror-finish is strongly dependent on the grinding direction. Grinding at 90° with respect to fiber direction favors the best results. • The sparkout effect on roughness was significant for rapid-feed grinding but small for creep-feed grinding. • Mirror-finish is accompanied by a homogenization mechanism resulting from grinding heat and

  • SUPERFIN1 wheels for mirror finishing carbide tools on

    SUPERFIN1 wheels for mirror finishing carbide tools on CNC grinding machines Specifications: 1A1 100 10 6 SUPERFIN1 Operation: Mirror finishing Machine : CNC grinding machine Workpiece : Material: Tungsten carbide Dressing: Type: White aluminium oxyde wheel in 220 mesh or stick 600 grit size Wheel speed: < 5 m/s for the SUPERFIN1 wheel

  • High-performance grinding of a 2-m scale silicon carbide

    Jul 05, 2016· Silicon carbide (SiC) is a competitive candidate material for building the space-based reflecting mirrors. However, SiC is also a typical difficult-to-machine material due to its extreme hardness. When SiC workpiece is machined by grinding, the wheel wears rapidly which leads to a deterioration of surface form accuracy. Grinding efficiency also becomes extremely low due to the

  • 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" mirror.It 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

  • Building a fixed post mirror grinding machine

    Aug 19, 2019· Gordon Waite is probably one of the better mirror makers using this machine and have incorporated some of his ideas into my plan. I like the fixed-post plan vs others with eccentric drives, because it gets the heavy grinding done in an automated