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Robotic mirror grinding? - ATM, Optics and DIY Forum ...

2021-5-31  The mirror lab substrates after spin casting aren't accurate to a few microns so some coarse and fine grinding is still required. NC grinding of aspheres has been done but a sufficiently stiff machine with adequate resolution encoders is required together with sufficiently accurate (sub micron) metrology so that achievement of the desired shape can be confirmed before polishing.

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Ed Grinds a Mirror - scopereviews

2002-1-25  Introduction: This summer (2000) I joined a mirror-grinding class hosted by our local club's ATM committee. Despite having looked through hundreds of telescopes through my observing career, I had to admit I had never ground my own mirror; in fact, my

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Mirror Grinding - DIY Astronomer - Stargazers Lounge

2020-7-23  I used to grind by hand and in this method, when we use the 1/3rd off-centre strokes for hogging out the sagitta, the upper glass becomes concave and would be polished into a mirror. However, this time I'd like to build a Mirror-O-Matic or something similar and do not understand that if the tool is on top, how will the bottom glass become concave?

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Building a fixed post mirror grinding machine ...

2019-8-19  Joined: Sat May 11, 2019 8:05 pm 2 Location: Winnipeg, Canada TSS Awards Badges TSS Photo of the Day

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Ultra-lightweight C/SiC Mirrors and Structures

1998-11-11  Grinding and polishing The infiltrated mirror blank is ground to the required surface figure. As the carbon-fibre (Fig.1). The latter are molded with phenolic resins at high pressures to form a type of carbon-fibre-reinforced plastic (CFRP) blank, which can be produced in various sizes. During a pyrolisation/carbonisation heat treatment at

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Sanding the Edges of a Mirror The Picture Framers

2007-4-30  Make a pattern out of cardboard or fc to fit the space and take it and mirror to a glass company. They have the right equipment and should be able to sand,grind it to match the pattern. Be sure to get the pattern level with maybe the counter. Might have to sand some on each side.

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Mirror grinding noise - Nissan Forum Nissan Forums

2016-4-15  Subject: SB 2011-2013 QX56; Door Mirror Clicking Noise - OK Summary of ITB12070: SERVICE INFORMATION The "Reverse Tilt-Down" feature will move the glass on the outside mirrors downward when the gear selector is placed in the Reverse (R) position. As the mirror glass moves downward, it may reach the end of its travel. If the mirror g

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

2019-10-13  Things I need to probably change or fix: My gearing of the DC motor. I will need a slow speed for polishing (5 rpm), and faster speeds for hogging out and fine grinding (15- 30 rpm), so likely need to think about adding a gear reduction. Fixing the aluminum turntable to the wooden turntable base. Building wedges to locate the mirror on the turntable.

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telescope mirror grinding machine plans

Astro-Tel - Mirror grinding machine. MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine of the same type.

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

2018-7-19  shaped segments as shown in Fig. 1a. The joined grinding workpiece as shown in Fig. 1b has rough casting spherical surface in radius of about 7000 mm. The designed mirror surface is a convex paraboloid having equation of y2=12000x. Initial form error of workpiece surface before grinding was 4000 μm in PV, which was measured by using

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Ultra-lightweight C/SiC Mirrors and Structures

1998-11-11  Grinding and polishing The infiltrated mirror blank is ground to the required surface figure. As the carbon-fibre (Fig.1). The latter are molded with phenolic resins at high pressures to form a type of ... from six pieces joined in the green-body state and infiltrated to a single unit.

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Mirror grinding noise - Nissan Forum Nissan Forums

2016-4-15  Mirror grinding noise. A forum for the Nissan Armada, Infiniti QX56, and beginning in 2014, the Infiniti QX80. ... jvangun Posts: 17 Joined: Mon Dec 28, 2015 6:51 pm Car: 2012 Infiniti QX56. Mirror grinding noise. Quote; Post by jvangun » Tue Apr 12, 2016 6:39 am . I’ve noticed a weird “grinding” sound when I put my car into reverse and ...

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Surface Grinding Tip. Use a Mirror The Hobby

2013-8-8  Surface Grinding Tip. Use a Mirror. Thread starter Ray C; Start date Jul 27, 2013; Ray C Registered. Registered. Joined Nov 16, 2012 Messages 5,586. Jul 27, 2013 #1 Was doing a lot with the surface grinder and every now and then, you want to look at the wheel coming in contact with the piece to see if things are on track. Of course, sticking ...

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telescope mirror grinding machine plans

Astro-Tel - Mirror grinding machine. MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine of the same type.

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Sanding the Edges of a Mirror The Picture Framers

2007-4-30  NJ. Apr 28, 2007. #9. Cut into the sheetrock with a sharp knife and patch as needed afterward with a bit of spackle. If need be, cut out a section of the sheetrock and put it back and patch after the mirror is installed. You can sand down the sheetrock much easier than the mirror

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Mirror pop, Turbo rattle intermittent grinding

2020-8-22  Amen, I have drilled out to many exhaust studs, and spark plugs on the 3v. I have replaced 2 engines on the 4.0 sohc b/c of shit timing chane design. Ford had always have the truck, but there engines are the weak point. It is probably designed to fail at a certain point to keep the economy...

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Mirror pop, Turbo rattle intermittent grinding Ford ...

2020-6-6  I am also having a an intermittent grinding sound when taking off from a stop. Dealer can't reproduce the issue. I feel like it's trying to go into 4wd when this occurs. As at times before it happens the truck feels as if its in 4wd on pavement when turning. TSB 20-2028 sounds like it fits the bill but the TSB serves 2013-2018 models.

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Dedicated Server Kit: Online matchmaking for Mirror

2021-1-28  Hello! I am glad to announce Dedicated Server Kit is now available on the Asset Store: Dedicated Server Kit is a complete library that allows you to host your Mirror-based multiplayer games on a dedicated server. It is the evolution of our own Master Server Kit, which has been providing this feature for UNET-based games for several years.It is a completely new asset, developed from scratch and ...

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Ariana Grande gets SPANKED by Madonna ... -

2016-1-25  Ariana Grande thanks Madonna for 'the spanking and banana' after grinding with star on stage The gorgeous brunette joined Madonna on stage to perform her single and it was certainly a raunchy ...

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Italy 2-1 Austria: 5 talking points as extra-time double ...

2021-6-26  Italy needed extra-time at Wembley to ensure they joined Denmark in the last eight of Euro 2020 after Federico Chiesa and Matteo Pessina came off the bench to break Austrian hearts. Roberto ...

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telescope mirror grinding machine plans

Astro-Tel - Mirror grinding machine. MIRROR GRINDING MACHINE. I made my first mirror grinding and polishing machine over thirty years ago. It used the working principle of the machine illustrated at "A" Fig.3, Page 163, "Amateur Telescope Making" Book 1. A bowl which rotated was fitted to the spindle. I also built another machine of the same type.

More

Mirror pop, Turbo rattle intermittent grinding

2020-6-26  Mirror pop, Turbo rattle intermittent grinding. ... Joined Apr 22, 2020 Posts 237 Reaction score ... went to pick up today after 4 weeks at the dealer. they could not replicate the grinding noise that occurs every so often on acceleration and the rattle was still there after a cold start. they stated they fixed the rattle by replacing the the ...

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Mirror Finishing Technology for Improvement of Mold ...

Mirror Finishing Technology for Improvement of Mold Releasability. Press working uses a die for molding is used in various industries because of its high productivity and suitability for mass production. However, molding with a die may make the material difficult to release from the die due to lower releasability and the strong pressure applied ...

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Side mirror wind noise solutions The Nissan Club

2013-10-16  Joined Nov 13, 2011 1,160 Posts #2 ... AND a new issue popped up. I noticed a "grinding" noise when I adjusted the mirror horizontally, kind of sounded like the motor was grinding. So, I went back and grabbed my service rep and had him take a look at it. Basically, I told him the repair was unacceptable, and that they would have to fix this ...

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Mirror pop, Turbo rattle intermittent grinding

2020-8-4  went to pick up today after 4 weeks at the dealer. they could not replicate the grinding noise that occurs every so often on acceleration and the rattle was still there after a cold start. they stated they fixed the rattle by replacing the the vct solenoids but it appears that wasn't the issue. they did address the pivot arms for the sun roof, the tailgate closing by itself and the mirrors ...

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Mirror pop, Turbo rattle intermittent grinding

2020-8-22  Amen, I have drilled out to many exhaust studs, and spark plugs on the 3v. I have replaced 2 engines on the 4.0 sohc b/c of shit timing chane design. Ford had always have the truck, but there engines are the weak point. It is probably designed to fail at a certain point to keep the economy...

More

Mirror pop, Turbo rattle intermittent grinding Ford ...

2020-6-6  I am also having a an intermittent grinding sound when taking off from a stop. Dealer can't reproduce the issue. I feel like it's trying to go into 4wd when this occurs. As at times before it happens the truck feels as if its in 4wd on pavement when turning. TSB 20-2028 sounds like it fits the bill but the TSB serves 2013-2018 models.

More

Ariana Grande gets SPANKED by Madonna ... -

2016-1-25  Ariana Grande thanks Madonna for 'the spanking and banana' after grinding with star on stage The gorgeous brunette joined Madonna on stage to perform her single and it was certainly a raunchy ...

More

Dedicated Server Kit: Online matchmaking for Mirror

2021-1-28  Hello! I am glad to announce Dedicated Server Kit is now available on the Asset Store: Dedicated Server Kit is a complete library that allows you to host your Mirror-based multiplayer games on a dedicated server. It is the evolution of our own Master Server Kit, which has been providing this feature for UNET-based games for several years.It is a completely new asset, developed from scratch and ...

More

Italy 2-1 Austria: 5 talking points as extra-time double ...

2021-6-26  Italy needed extra-time at Wembley to ensure they joined Denmark in the last eight of Euro 2020 after Federico Chiesa and Matteo Pessina came off the bench to break Austrian hearts. Roberto ...

More