The making of 26 incg DK telescope -7, polishing machine

自製天文望遠鏡 牛頓望遠鏡 杜蘇式 卡式 設計和磨鏡方法<br>
佛科試鏡法 佛科刀片儀 光柵試鏡法 光柵片
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Chanlunlun
夸克星
文章: 3847
註冊時間: 週四 09 10月, 2003 21:06

The making of 26 incg DK telescope -7, polishing machine

文章 Chanlunlun » 週二 08 4月, 2014 12:06

Dear ATMers,

A machine will save lots of power comparing to polishing a mirror by hand. Furthermore the end result would be more controllable.

To begin with we had to fetch out our old machine in the store room, assembled it and did little reconstruction work. This old machine was designed for 30 inch mirror and we needed to make another turn-table for the present 26 inch mirror.

We had spent one week to complete refurbishing the polishing machine.

The second round polishing was about to begin.

Best regards
Chan Yuk Lun
4 April 2014
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15.jpg
Completed polishing machine
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14.jpg
polishing machine under assembling.
14.jpg (306.04 KiB) 已瀏覽 3227 次

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bingsze
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文章: 3939
註冊時間: 週一 15 1月, 2007 18:13
來自: hong kong

文章 bingsze » 週二 08 4月, 2014 16:08

真想知道造一塊這樣的鏡子,不計人工要多少錢? :D

Chanlunlun
夸克星
文章: 3847
註冊時間: 週四 09 10月, 2003 21:06

文章 Chanlunlun » 週二 08 4月, 2014 16:52

bingsze 寫:真想知道造一塊這樣的鏡子,不計人工要多少錢? :D
About HKD20000, including Argo Navis DSC, ServoCAT GOTO system and silvering.

If you are considering basic Dobsonian style, within HKD 2000. Excluding cost of Silver Nitrate.

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bingsze
夸克星
文章: 3939
註冊時間: 週一 15 1月, 2007 18:13
來自: hong kong

文章 bingsze » 週二 08 4月, 2014 16:57

講真!真係超超超值啵! :D

Chanlunlun
夸克星
文章: 3847
註冊時間: 週四 09 10月, 2003 21:06

文章 Chanlunlun » 週二 08 4月, 2014 17:53

bingsze 寫:講真!真係超超超值啵! :D
Glass disk and plywood can't be that expensive. If you are building the very basic Dob style Dobsonian, what else do you need ?

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