Search found 8 matches

by wendy
Sat Feb 16, 2013 3:42 pm
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi Dave, we seem to be getting some good results now - we are using your lower speeds, normal type and 4 passes and getting good crisp cuts - keeping the water temperature as low as poss. We are using both sheets from hobarts and gravograph - we did order in the 2.3 sheets from hobarts but received ...
by wendy
Sat Feb 16, 2013 10:13 am
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi Spooky - we are using 0.05 scan gap. we have tried 35% at speed 400 and it only makes the lightest outline with no depth!! You can read it but it has only the slightest raised feel to the print. What rubber are you using?
by wendy
Fri Feb 15, 2013 5:37 pm
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi Dave & Speedy - for your information - we have tried 60% at 80 and then up in 5% increases - 75% gives a better result but still does not have depth and there are still the random lines (not horizontal - they angle and arc) - the cut away is still very messy looking, (like rhino skin). We kep...
by wendy
Fri Feb 15, 2013 10:18 am
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi - we have worked through your suggestions and are now getting a cleaner cut but still not the depth - definitely think we need to upgrade the blower, any suggestions?
by wendy
Thu Feb 14, 2013 3:47 pm
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

whoops - had not read your replies when I gave temperature....testing now....thanks for your great input will let you know how it goes.
by wendy
Thu Feb 14, 2013 3:35 pm
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi - now have water temperature it is 20...same as the room temperature. Hope that helps.
by wendy
Thu Feb 14, 2013 7:49 am
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Re: Engraving on Rubber for Stamps HELP!

Hi Speedy - here is as much information as I can think of - Lamp size 60W Feed - sorry please could you explain what this is? Speeds - have used 400 @ 80% down to 120 @ 100% and all combinations in between. 120 @100% repeated twice and still not getting clarity and also get a very poor background cu...
by wendy
Wed Feb 13, 2013 12:00 pm
Forum: Help or advice required please
Topic: Engraving on Rubber for Stamps HELP!
Replies: 13
Views: 14873

Engraving on Rubber for Stamps HELP!

We have the 6840 and love it - we really, really want to introduce rubber stamps to our range - we are having real problems lasering the rubber with very uneven results - one line the cut will be good, the next line very shallow and not clean - any advise would be appreciated, anyone successfully la...