Threaded View
-
02-03-2010 #1
I bought this board to fit into a mini lathe I bought (which originally had a blown PCB too!)
John S identified this particular board as a potential replacement for the origina (on Ebay- it only cost £15! The board is a Danfoss s100 -often rebadged...varispeed seems to be a constant when rebadged)
I adpated to fit into my Sieg C2 300A ...it's worked fine for about 5-6 months but a couple of nights ago while running at a relative high RPM, a flash eminated from the lathe's control box - fuse blown. Popped in another fuse (not expecting much!)...the motor turned very slow (like 1-2 RPM!) ...and then I smelt that all too familiar smell of some silicon cooking.
For an output stage, the circuit has two TO-220 types with S6060L (SCRs?) & 3 other D6020L (diodes)- no obvious burn marks/melting anywhere, so I'm hopeful it's just a matter of whipping out the larger silicon & finding one that's blown.
Would anyone have a suitable circuit where I could gen up on what the gig is? (not sure if this PWM derived speed control or not?)
At 70 notes for a replacement(& this is the second one that's blown to date on this particular lathe) - this mini lathe pastime is starting to lose it's appel!
Thread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
Mach lathe spindle speed control
By GeoffV in forum Artsoft Mach (3 & 4)Replies: 7Last Post: 21-05-2014, 08:34 AM -
FOR SALE: pdmx 107 spindle speed control board
By dazza in forum Items For SaleReplies: 0Last Post: 08-05-2014, 02:58 PM -
eBay: Denford Novamill SmartStep Control Board + Spindle Board
By danielbriggs in forum Items On eBay UKReplies: 0Last Post: 30-05-2013, 06:52 AM -
eBay: UIM2901-5A Mach3 breakout board with spindle speed control
By Fivetide in forum Items On eBay UKReplies: 0Last Post: 05-02-2013, 07:25 PM -
Mini ITX board for Mach 3
By lateAtNight in forum General DiscussionReplies: 2Last Post: 17-08-2010, 10:47 PM
Bookmarks