Precision measurement
Discussion
Dunno if this is the right forum, but since it relates to a Hillman Imp transaxle:
Could anyone recommend a company (preferably East Anglia, but not critical) who could take accurate measurements with a Faro arm or whatever of various points on a gearbox? Or possibly - better still - scan the entire transaxle assembly to an adequate level of accuracy, for reasonable cost?
Could anyone recommend a company (preferably East Anglia, but not critical) who could take accurate measurements with a Faro arm or whatever of various points on a gearbox? Or possibly - better still - scan the entire transaxle assembly to an adequate level of accuracy, for reasonable cost?
Mr Teddy Bear said:
What's wrong with a straight edge & a depth gauge?
Not accurate enough for my tastes (though it's a fallback position if I can't find anyone to do it better).Mr Teddy Bear said:
You had better tell us what a Faro arm is as well while your at it.
It's one of these:
It allows very accurate measurement of 3D points (XYZ).
www.scanhd.co.uk
Give Darren a shout. Design Engineer buy trade so knows how to use his kit as well which can make a big difference to the scan quality.
Give Darren a shout. Design Engineer buy trade so knows how to use his kit as well which can make a big difference to the scan quality.
ridds said:
www.scanhd.co.uk
Give Darren a shout. Design Engineer buy trade so knows how to use his kit as well which can make a big difference to the scan quality.
Perfect! Give Darren a shout. Design Engineer buy trade so knows how to use his kit as well which can make a big difference to the scan quality.
This is the sort of company I'm after, thanks. Don't suppose anyone knows of any similar companies closer to East Anglia (Norwich/Cambridge/King's Lynn)?
No knowledge of them, just Googled: https://www.dsnclassics.co.uk/s-can/
QuartzDad said:
No knowledge of them, just Googled: https://www.dsnclassics.co.uk/s-can/
Even more perfect! That'll do, thanks!Legacywr said:
Can’t see it being a cheap service...
You may be right - only one way to find out, though.I can live with just a point cloud if it's a 3D scan, mind you.
Equus said:
...but since it relates to a Hillman Imp transaxle:
Equus said:
Mr Teddy Bear said:
What's wrong with a straight edge & a depth gauge?
Not accurate enough for my tastes (though it's a fallback position if I can't find anyone to do it better).a8hex said:
Were the parts of an Imp's transaxle actually made to a greater precision than you can get with a decent depth gauge?
It's more that it's a funny shape, and some of the bits I'm interested in are faces/tapped holes that are related to other faces/tappings at an odd angle to each other.There would be ways around it with old-skool fabrication, using jigs, but the intention is to design CNC-machined billet components that go directly from CAD to metal, so I'd rather have data that I can rely on to give me a decent chance of getting it right first time.
We use Zeiss in Rugby for CT scanning.
We also work with Fenland RP in Wisbech, who've recently got a CT scanner, but also have other metrology capability. Nick Osborn is a good guy, also knows all about rapid prototyping -he would be a good person to talk to. They have a specific service for rapid prototyping of automotive parts.
We also work with Fenland RP in Wisbech, who've recently got a CT scanner, but also have other metrology capability. Nick Osborn is a good guy, also knows all about rapid prototyping -he would be a good person to talk to. They have a specific service for rapid prototyping of automotive parts.
Edited by V10Mike on Wednesday 25th November 11:22
Scanning is only as accurate as the person processing it and piecing together the information.
Weve had stuff scanned with a farrow before and some stuff comes out pretty good, (within probably 0.1mm), other really obvious stuff was miles out. Like multiple surfaces that are co-planar have >5mm misalignment.
Then once its it CAD you have to remodel over it and mirror curves and sections etc and get a "best fit". Scanning is great, don't get me wrong, but ots not an end all solution. Lots of manual measuring and verifying the data is required.
Weve had stuff scanned with a farrow before and some stuff comes out pretty good, (within probably 0.1mm), other really obvious stuff was miles out. Like multiple surfaces that are co-planar have >5mm misalignment.
Then once its it CAD you have to remodel over it and mirror curves and sections etc and get a "best fit". Scanning is great, don't get me wrong, but ots not an end all solution. Lots of manual measuring and verifying the data is required.
Ambleton said:
Scanning is only as accurate as the person processing it and piecing together the information.
Yeah, that's kind of why my starting point was measurement with a Faro arm.A point cloud scanned model would be nice, but it's the relationship between a small number of key planes/tappings that are critical.
Equus said:
It's more that it's a funny shape, and some of the bits I'm interested in are faces/tapped holes that are related to other faces/tappings at an odd angle to each other.
There would be ways around it with old-skool fabrication, using jigs, but the intention is to design CNC-machined billet components that go directly from CAD to metal, so I'd rather have data that I can rely on to give me a decent chance of getting it right first time.
Blimey, how much are you spending on this Imp?... There would be ways around it with old-skool fabrication, using jigs, but the intention is to design CNC-machined billet components that go directly from CAD to metal, so I'd rather have data that I can rely on to give me a decent chance of getting it right first time.
It must be a bit special?
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