Fixed Post Grinding Machine

www.jeffbaldwin.org

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.

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

16-2-2014· 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 dental plaster and steel pieces to speed up ...

Rough Grinding a 20" Quartz Telescope Mirror on the Fixed ...

7-3-2010· This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you'll see how abrasive and water are applied, and how the ...

Fixed post grinding/polishing machine. - IceInSpace

6-6-2020· Fixed post grinding/polishing machine. Equipment Discussions. Thanks Jim I checked out those links to machine grinding and there are a lot of other very detailed videos on hand work from a fairly professional mirror maker so that was good.

Fixed Post Mirror Grinding Machine - jeugdhokalken.be

Fixed Post Mirror Grinding Machine. Industrial process improvement topics by sciencegov waste slurry feed topics by sciencegov hammermill for processing gypsum ferro nickel ceramic grinding ball mill pulverizer hammer mill details grinder machine capacity 300 kg hammer mill 9fq multifunctional hammer mill products from china industrial process improvement topics by sciencegov waste slurry feed ...

Fixed post grinding/polishing with full size tools? - ATM ...

3-5-2011· Fixed post grinding/polishing with full size tools? - posted in ATM, Optics and DIY Forum: I am in the process of making my convex secondary for my 14.5” Harmer Wynne telescope. Can I use a fixed post grinding machine to generate the desired radius with a full size tool? What kind of over hang are we talking about here? I am currently using a pottery wheel with VFD for rpm control for a ...

fixed post mirror grinding machine | Solution for ore mining

Rough Grinding a 20″ Quartz Telescope Mirror on the Fixed-Post Machine. This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you’ll see how abrasive and … Rough Grinding – 8″ fixed post grinding. – YouTube. Hogging a 8 inch telescope mirror.

Fixed Post Mirror Grinding Machine Plans

Fixed Post Mirror Grinding Machine Plans. Are you going to start Fixed Post Mirror Grinding Machine Plans? In this case, here is a complete example of models of carpentry models and feasibility reports that can be used free of charge. Ok, so let's consider all the requirements to start a wood business.

Fixed post mirror grinder advice - DIY Astronomer ...

1-11-2011· Hi AllWeve been having some idle discussions about grinding mirrors here. In particular, weve been discussing building a fixed post mirror grinding turntable for cutting mirrors up to about a 24inch diameter to spherical. Its only a pipe dream at the …

Fixed Post Mirror Grinding Machine - jeugdhokalken.be

Fixed Post Mirror Grinding Machine. Industrial process improvement topics by sciencegov waste slurry feed topics by sciencegov hammermill for processing gypsum ferro nickel ceramic grinding ball mill pulverizer hammer mill details grinder machine capacity 300 kg hammer mill 9fq multifunctional hammer mill products from china industrial process improvement topics by sciencegov waste slurry feed ...

Fixed Post Mirror Grinding Machine - YouTube

22-8-2014· Overarm on the machine is locked to work as a fixed-post grinder. Running an 8" f/3.5 Pyrex mirror with a 6" tile tool, 10 pounds of weight, and #220 silicon carbide.

fixed post mirror grinding machine | Solution for ore …

Rough Grinding a 20″ Quartz Telescope Mirror on the Fixed-Post Machine. This video shows how to setup a mirror grinding machine for fixed-post grinding, also known as spin grinding or spinning. After setup, you’ll see how abrasive and … Rough Grinding – 8″ fixed post grinding. – YouTube. Hogging a 8 inch telescope mirror.

Fixed post (spin) grinding Help - ATM, Optics and DIY ...

16-4-2020· Fixed post (spin) grinding Help - posted in ATM, Optics and DIY Forum: After watching Gordon Waites YouTube videos, I decided to fabricate a spin grinder. I fused glass in a kiln, ground both side flat and to diameter size 16, hogged it out and spun ground it very close to the target F4.5 curve, actually as close as I could measure with my spherometer.

Building a fixed post mirror grinding machine - Page 2 ...

13-10-2019· Hello all, I'm fascinated by those who can grind and figure their own mirrors for reflecting telescopes. With the availability of kits to finish beautiful ATM dobs from companies like dobstuff, the lure of building one's own scope to high tolerances an…

Fixed Post Mirror Grinding Machine Plans

Fixed Post Mirror Grinding Machine Plans. Are you going to start Fixed Post Mirror Grinding Machine Plans? In this case, here is a complete example of models of carpentry models and feasibility reports that can be used free of charge. Ok, so let's consider all the requirements to start a wood business.

Grinding Machine: Types, Parts, Working & Operations …

Grinding Machine Definition: A grinding machine or grinder is an industrial power tool that uses an abrasive wheel for cutting or removing the m aterial.. It is a process of metal cutting by using a rotating abrasive wheel from the surface of the workpiece.. Generally, the grinding is finishing operation to show the high surface quality, accuracy of the shape and dimension.

Grinding machine - Wikipedia

A grinding machine, often shortened to grinder, is one of power tools or machine tools used for grinding, it is a type of machining using an abrasive wheel as the cutting tool.Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.. Grinding is used to finish workpieces that must show high surface quality (e.g., low surface roughness) and high ...

Fixed Post Mirror Grinding Table - designed with 123D ...

May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design. May 23, 2015 - Fixed Post Mirror Grinding Table - designed with 123D Design .. Diy Telescope ... Diy Telescope Astronomy Facts Machine Image Optical Shop Science And Nature Science Fun Luxury Cars Mirrors. Carl Zambuto Newton - Prüfprotokolle -

14 Types of Grinding Machine with Working, Diagram & …

This is a small grinder operated with electric power. It can be easily carried anywhere. Grinding can be done by holding it in hand. It is used for cleaning the heavy welding jobs. On one end of the motor shaft, a grinding wheel is fitted and on the other end, a handle or switch for operating the machine is fixed according to our convenience.

Fixed post (spin) grinding Help - ATM, Optics and DIY ...

16-4-2020· Fixed post (spin) grinding Help - posted in ATM, Optics and DIY Forum: After watching Gordon Waites YouTube videos, I decided to fabricate a spin grinder. I fused glass in a kiln, ground both side flat and to diameter size 16, hogged it out and spun ground it very close to the target F4.5 curve, actually as close as I could measure with my spherometer.

14 Types of Grinding Machine with Working, Diagram & …

This is a small grinder operated with electric power. It can be easily carried anywhere. Grinding can be done by holding it in hand. It is used for cleaning the heavy welding jobs. On one end of the motor shaft, a grinding wheel is fitted and on the other end, a handle or switch for operating the machine is fixed according to our convenience.

Fixed-post grinding maskin - Norway's largest optical ...

Fixed-post grinding maskin. Fine-grinding and figuring will soon commence on the 62 cm lightweight cellular primary. More to come about the fixed-post machine and techniques. (click to enlarge) Tags: 2014-2Eng, mirror. Dinium Observatory. Observatory: private, backyard. Site ...

Fixed Post Mirror Grinding Machine Plans

Fixed Post Mirror Grinding Machine Plans. Are you going to start Fixed Post Mirror Grinding Machine Plans? In this case, here is a complete example of models of carpentry models and feasibility reports that can be used free of charge. Ok, so let's consider all the requirements to start a wood business.

GRINDING MACHINES - irem sen

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.

Grinding Machine Type - ATM, Optics and DIY Forum - …

14-9-2007· Grinding Machine Type - posted in ATM, Optics and DIY Forum: Hy guys,Id like to realize a grinding/polishing machine with the following specifications:- max blank diameter: 400mm (16" circa)- min blank diameter: 125mm (5" circa)- capable of grinding convex and concave surfaces (lenses, mirrors, Mak correctors)Considering ease of fabrication (but I have a lathe and a milling machine), grinding ...

Sub-Diameter Tool for Fixed Post Grinding ...

10-6-2013· I finally decided to go with fixed post grinding as it is the best possible option for me considering the speed of work and minimal errors. The only risk with fixed post grinding is that the ROC tends to change and keep on changin until you are at a particular amount of …

Mirror grinding machine-runout - ATM, Optics and DIY …

21-2-2015· Page 1 of 2 - Mirror grinding machine-runout - posted in ATM, Optics and DIY Forum: I am in the process of making a fixed post mirror grinding machine, big enough for a 20 inch mirror. I have now got the motor, pulleys, two shafts and turntable all together and working. The turntable rotates at around 25 rpm,which I think should be OK. If I put a dial indicator on the top of the table near the ...

Tool Post Grinder -Project On Lathe Machine Attachment

This attachment is fixed on the lathe carriage, where the compound rest rests. The spindle of the attachment will be parallel to the lathe spindle. It is just like a boring bar on tool post. Where the motor is on, the spindle and the grinding wheel will be rotated, on the RPM of about. Job is held on the lathe chuck, for example, if we grind a bore of a body, the body will be rotating in lower ...

Internal Grinding Machine | MachineMfg

The internal grinding machine is divided into a common internal grinding machine, a planetary internal grinding machine, ... During work, the workpiece is fixed, and the grinding wheel rotates around the axis of the machined hole in addition to the high-speed rotation of …