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Used Mikrosa Grinding machines for sale | Machinio

Mikrosa SASL1251A and SASL1251E grinding machines for sale. Find surface, cylindrical, belt and centerless grinders on Machinio.

Making my own fixed post mirror grinding/polishing machine ...

Page 1 of 2 - Making my own fixed post mirror grinding/polishing machine - posted in ATM, Optics and DIY Forum: Hey guys. Im thinking of making my own fixed post mirror grinding/polishing and curve generating machine. Ive got loads of questions regarding the design so Ill just start firing away Do I need an eccentric moving tool to be able to polish a mirror spherical?

Fixed Post Grinder/Polisher Build - ATM, Optics and DIY ...

Page 1 of 2 - Fixed Post Grinder/Polisher Build - posted in ATM, Optics and DIY Forum: Hey all: As my winter project I have a pile of glass Id like to work my way through (a couple of 6, a couple of 8, a 10 and a 12) all with the ambition of working my way up to large thin meniscus mirrors. Ive hand ground/polished an 8 and a 9 previously, so Id like to construct and learn how to make short FL ...

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.

REFORM Grinding Machines For Blades used machine for sale

grinding length: 3500 mm grinding width: 350 mm workpiece height: 250 mm total power requirement: 60 kW weight of the machine ca.: 14 t dimensions of the machine ca.: 7800 x 1900 x 3000 m CNC control Siemens 840 D Magnetic table 3500 x 350 mm, fixed Grinding height 250 mm Dresser on table Accuracy 0.01 mm parallelism Grinding motor 22 kW / 2910 1 / min. Grinding …

Used Tool Post Grinder for sale. King equipment & more ...

duplex tools tool post grinder for lathes. used "duplex tool s" tool post grinder for lathes type d33r/2 machine # 87420 serial # b07151 wheel capacity 14" x 1-1/4" spindle speed 1,500 r.p.m. motor 2.2 kw/220-440/3/60 weight: 290 lbs. (approx.)

Used Tool Post Grinders for sale. Tornos equipment & more ...

duplex tool s tool post grinder for lathes. manufacturer: tornos; used "duplex tool s" tool post grinder for lathes type d33r/2 machine # 87420 serial # b07151 wheel capacity 14" x 1-1/4" spindle speed 1,500 r.p.m. motor 2.2 kw/220-440/3/60 weight 290 lbs. (approx.)

Used Grinders machinery, second hand Grinders - APT ...

These are machines for shaping, sharpening or smoothing. Grinding machines have a long history, from machines that had to be operated manually to the high-tech machines used today such as conventional or CNC grinding machines. These machines are used in a broad range of industries.

Building a fixed post mirror grinding machine ...

Re: Building a fixed post mirror grinding machine. I I had a nice piece of 3/4" stainless dowel that was begging to be used. So I bought a cheap pillow block to provide the locator for the metal dowel, and then drilled the overarm to fit. These pillow blocks are $8 and come complete with a locking collar - great deal.

New and Used Grinding Machines - MachineTools.com

New and Used Grinding Machines. A grinding machine, often shortened to grinder, is a machine tool used for grinding, which is a type of machining using an abrasive wheel as …

Grinding Machines for sale – Used & New in Australia

Find high quality Used, and New Grinding Machines for sale. Large inventory to choose from. Compare & Buy Now.

Using the Fixed-Post Grinding Machine for Rough Grinding ...

Gordon Waite sets up his fixed-post mirror grinding machine to begin rough grinding on an 11" f/4.3 telescope mirror. He uses a grinding tool made from dent...

Used Studer Grinding machines for sale in USA | Machinio

Used Studer grinding machines for sale in USA. S30 and S40. Find surface, cylindrical, belt and centerless grinders on Machinio.

Used Grinding Machine For Sale on Kitmondo.com – Machine ...

Find the used grinding machine you are looking for on Kitmondo, the leading metalworking equipment website. Toggle navigation. EN English Français Machinery. Choose from 20,274 used machinery listings. Broadcast, Film and Audio 410 LISTINGS. Complete Plants 251 LISTINGS. Construction and Mining 1,334 LISTINGS ...

Fixed post mirror grinder advice - DIY Astronomer ...

Basically there are two types of grinding/polishing machine. The 'traditional' type which involves the mirror rotating at a relatively slow speed, a few rpm for a big mirror (16-20 inches) with the tool moving across the mirror, from side to side, at a higher …

GRINDING MACHINES - Carnegie Mellon University

Tool Post Grinding Machine The tool post grinding machine, see Figure 5-5, is a machine tool attachment designed to mount to the tool post of engine lathes. It is used for internal and external grinding of cylindrical workplaces. Refer to Chapter 7 for a description of this machine. 5-3.

Fixed-Post Mirror Grinding Machine - YouTube

Shown here I have the overarm locked to use the machine in fixed-post grinding/polishing mode. The overarm can be engaged with adjustable stroke length. Show...