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Forum: Driving Mechanisms: Rack/pinion, gears, screws, belts & chains Wed 25 April 2012, 04:51
Replies: 0
Views: 956
Posted By giggler
Step value?

It seems a common choice of motor is all-in-one with gear box having a ratio of 7.2. Also a common pinon on an output shaft is 36teeth. I went for mod 1.

Question, if most these common...
Forum: Troubleshooting Tue 13 September 2011, 08:29
Replies: 7
Views: 1,778
Posted By giggler
smreish, I want to try Mach3, cost is an...

smreish,

I want to try Mach3, cost is an issue right now. Presently I use a rather elderly turbocnc. I'm waiting on delivery of my expresscard parallel port to try out EMC under Ubuntu with my...
Forum: Troubleshooting Tue 13 September 2011, 06:58
Replies: 7
Views: 1,778
Posted By giggler
Hi Surfcnc, I've tried speeding up the...

Hi Surfcnc,

I've tried speeding up the feedrate but it seems limited to my acceleration frequency and doesn't move faster really. It's fine on straight lines, just curves it slows to a crawl. ...
Forum: Troubleshooting Mon 12 September 2011, 17:00
Replies: 7
Views: 1,778
Posted By giggler
Hi domino11, I think so and have seen a few...

Hi domino11,

I think so and have seen a few posts about similar subject. I do find it strange that the circle pockets are circular as I'd of thought a loose pinon, they'd be out or at least one...
Forum: Troubleshooting Mon 12 September 2011, 16:00
Replies: 7
Views: 1,778
Posted By giggler
That should read I can't physically move the Y...

That should read I can't physically move the Y axis when motor enabled.

dc
Forum: Troubleshooting Mon 12 September 2011, 15:59
Replies: 7
Views: 1,778
Posted By giggler
Incrementing error in cutting??

Hi,

I'm testing my machine and am cutting a collet holder from 18mm MDF. I have some problems with the finish.

It's going slightly diagonal in the Y axis, perhaps also in the X, I'm not sure. ...
Forum: General - MM Operating Sun 21 August 2011, 16:08
Replies: 20
Views: 6,563
Posted By giggler
ooops, sorry thought i was posting a new thread. ...

ooops, sorry thought i was posting a new thread.

dc
Forum: General - MM Operating Sun 21 August 2011, 16:07
Replies: 20
Views: 6,563
Posted By giggler
about to surface MDF sacrificial wood to approx....

about to surface MDF sacrificial wood to approx. 1mm deep but the cutters available this side of the pond (England) leave me a little lost.

I picked up this 3/4" straight cutter, however the...
Forum: Cutting various materials - bit selection, feeds, speeds Sat 20 August 2011, 11:25
Replies: 9
Views: 2,037
Posted By giggler
hi danilom. you inadvertently solved a step...

hi danilom.

you inadvertently solved a step problem I've had since last week :)

i used the mechmate excel worksheet to calc. my max feed based upon the belts, pully ratio and pinon gear used. ...
Forum: Cutting various materials - bit selection, feeds, speeds Sat 20 August 2011, 10:34
Replies: 9
Views: 2,037
Posted By giggler
danilom, Always test settings first using...

danilom,

Always test settings first using aircuts or foam! Yes I should have for sure...

You are correct, the X/Y drives are setup with 10microsteps and you've got more information than I have...
Forum: Cutting various materials - bit selection, feeds, speeds Sat 20 August 2011, 10:00
Replies: 9
Views: 2,037
Posted By giggler
Hi danilom. Yes plunge at 100mm/m and cuts...

Hi danilom.

Yes plunge at 100mm/m and cuts at 500mm/m in MDF. The machine is setup to metric.

It doesn't plunge that often, so I changed the cuts to 5000mm/m and it still isn't any better...
Forum: Cutting various materials - bit selection, feeds, speeds Sat 20 August 2011, 09:33
Replies: 9
Views: 2,037
Posted By giggler
Hi danilom. I will check my acceleration...

Hi danilom.

I will check my acceleration settings, thanks. What HZ figure do you start from? In my configuration setup I put 20Hz in my X/Y start movement and I think 200Hz acceleration. When...
Forum: Cutting various materials - bit selection, feeds, speeds Sat 20 August 2011, 08:47
Replies: 9
Views: 2,037
Posted By giggler
Wood burn?

hi,

i'm doing a test cut, a collet holder a have drawn to be machined in MDF. The bit I'm using is a four fluted 6mm end mill normally used for metal.

My router can traverse at 10000mm/m...
Forum: 10. Base Table Wed 06 July 2011, 05:11
Replies: 18
Views: 3,475
Posted By giggler
The bondit contact adhesive I was gonna use...

The bondit contact adhesive I was gonna use mentioned the following sales blurb:

premium grade, solvent-based, neoprene adhesive with high grab and long open time to enable re-positioning

I do...
Forum: 10. Base Table Tue 05 July 2011, 06:29
Replies: 18
Views: 3,475
Posted By giggler
kenc, thanks. I can get contact adhesive...

kenc,

thanks. I can get contact adhesive from my local wood yard so probably will brush that on both sheets.

my base boards are now 10'x4' sheets, 2off cut down to my bed size and on top will...
Forum: 10. Base Table Tue 05 July 2011, 03:13
Replies: 18
Views: 3,475
Posted By giggler
ok. I figured I was going to resurface but not...

ok. I figured I was going to resurface but not until I was down to the base board, can see why using through bolts in both boards would be a problem.

Will look into glue brands this side of the...
Forum: Motors & their mountings Mon 04 July 2011, 16:11
Replies: 5
Views: 1,589
Posted By giggler
hi. the boss on the gear leaves me with a...

hi.

the boss on the gear leaves me with a threaded length for the grub screw of only 6mm. I maybe able to get 3mm long grub screws but would have to look, it's kind of short and think they need...
Forum: Motors & their mountings Mon 04 July 2011, 15:46
Replies: 5
Views: 1,589
Posted By giggler
Gear set screws and loctite?

hi

i've been thinking about using loctite or something on the set screws to the x motor as the load is high and the last thing i want is them to come free during some fine stepping motion.

Is...
Forum: 10. Base Table Mon 04 July 2011, 15:43
Replies: 18
Views: 3,475
Posted By giggler
Thanks. I will go for MDF for both boards, but...

Thanks. I will go for MDF for both boards, but hadn't considered glue, was gonna just bolt right through the two boards. I looked in cad and I can bolt through both boards and the metal frame holes...
Forum: 70. Control Systems Mon 04 July 2011, 10:25
Replies: 4
Views: 994
Posted By giggler
both replys - thanks, they are both what i'm...

both replys - thanks, they are both what i'm interested in. I'm not going for a mechanical switch but will look at the external power source with an opto, seems a good idea:)

just hope i remember...
Forum: 10. Base Table Mon 04 July 2011, 08:56
Replies: 18
Views: 3,475
Posted By giggler
Sacrificial wood on base frame?

Hi,

My router table needs a good wood surface to work from but it's cutting area is less than the actual area available so I was gonna use clamps in the excess for work holding. Current thoughts...
Forum: 70. Control Systems Mon 04 July 2011, 08:40
Replies: 4
Views: 994
Posted By giggler
Zero plate wiring and tool height?

Hi,

I'm considering a zero plate for tool height calibration during manual tool changes. I've seen a few design after a google search but they use sheet aluminium as one terminal and the...
Forum: 55. Dust Management Fri 27 May 2011, 04:07
Replies: 7
Views: 2,140
Posted By giggler
Yes, sorry guys, flexible hose 100-102mm diameter...

Yes, sorry guys, flexible hose 100-102mm diameter for dust shore to extractor.

The PU stuff looks like the stuff to use, it's clear so I can see blockages but the cost is so much more.

I can...
Forum: 55. Dust Management Thu 26 May 2011, 15:25
Replies: 7
Views: 2,140
Posted By giggler
PU hose or PVC?

Hi,

Anyone tried PVC hose 4" diameter like on white goods for dust extraction? The PU hoses at 10m lengths, same diameter are like comming out at 85GBP while I found a guy selling 15M lengths of...
Forum: Motors & their mountings Fri 06 May 2011, 06:22
Replies: 0
Views: 1,131
Posted By giggler
Motor plate pivot play?

Hi,

My motor plate pivot holes for the x axis are drilled to 10mm (both plates, motor and fixed axis). They actually measure 10.1mm using a caliper but the bolt unthreaded shank is like 9.9mm so...
Showing results 1 to 25 of 31

 
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