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I see. If I apply a Datum (D) to the width of the oval this will produce the datum plane as of the CL of oval? or should I use the one side of the parallel rib including 3 target datums?

Thanks Peter. Will look into the horizontal text and I think I will also denote datum B in a side view for clarity. Datum A,B & C are not removed by machining but datum D is. To get a datum plane similar to D is it legit to use the oval CL instead?

New drawing attached (the drawing will be legible when zoomed at actual pixel level). Standard is to ASM Y14.5M-1999. The part is a cast inlet cone for a light vehicle exhaust system. Important features are oval outlet, round inlet and 3x protrusions. I'm not to sure how tightly toleranced...

My GD&T is not to hot as learning! See drawing attached of a simple pre machined casting. Please add comment on my Datum choices and tolerance features - do they make sense? any comments are welcomed. Thanks

Thats done it! Cheers

It’s for a technical manual of sorts!! So it needs to look technical and pretty. I have tried to screen capture in Catia and copied screen ect…but the color quality/shade changes(even set at high res, so not matching the filled sections I have on the drawing. Must be a way as when you are...

I would like to be able to bring in fully shaded (as per model view) Iso views into my drawings, but cant get it to shade. I have looked through my general options, view properties and enabled 3D spec/colors with no luck. Note that I am unable to change my xml standards! Thanks

I’m looking to get painted some small plastic brief case shells. They are vac formed from 3mm ABS sheets. I was looking into pre colored sheet material but because I want the wide range of colors/effects I’m going for a painting solution. With painting I’m worried that they will scratch, flake...

I have contacted extruders, plastic wholesales and visited Vac formers. As explained my low quantities are the issue and I just can’t get hold of what I want. As suggested it seems as I will have to paint. A Vac former has suggested painting the outer surface of 3mm high impact abs as they...

Thanks Demon3 Started looking into ASA – they make car roof boxes from this but it is co extruded with ABS to give it its impact strength. My case is only small 500mmx400mm – do you think I would need the ABS substrate for the impact strength? Hopefully I can get ASA or ABS/ASA in a variety...

I have contacted many suppliers but due to the low volume and non standard coloures needed its a no go at the moment! Started looking into paint films - thanks HDS. Do you think I (supplier) could vac form a film in between to clear sheets? Is this the norm? The shape is fairly simple with no...

Thanks, Kydex seem to have a good selection of ABS with decorative layers, and a distribution channel in China so I’m going to contact them. I am going to try and find a supplier who produced capped abs in a metallic range (if they exist). My initial quantities will be to low (1 tonne) to...

I have attached a picture of what I want - its almost metalic.http://files.engineering.com/getfile.aspx?folder=79107216-d0c5-4ca9-b3fe-26ad68cf730f&file=blue.jpg

Hi all, I am looking for 2.5mm abs or polycarbonate sheet that will be vacuum formed to produce a luggage hard shell. This will be formed in China and I have been contacting via email my requirements to the vac formers. The trouble is that the Chinese do not understand my requirement for a high...

I do appreciate the wide variety of variables but I think you guys have answered my question. I only need to acquire 0.2mm in critical area so sound like I’m not asking too much, so the drawings won’t raise unnecessary alarm bells and increased cost. I will be talking to suppliers after getting...

I think this will help me in the future before I get involved with the toolmakers. I had a look on internet to see if I could find any free extracts of this table from the DIN standard but it seems I will prob have to buy it if I get enough work to justify it. Thanks Sizzer33

Thanks for the help.

Thanks cory. Looked on website and they seem to offer a good alternative to GE plastics - will contact them. If anybody else knows any other major producers of plastic sheet then let me know. Thanks

Yes Obviously! but was relying on people who have experiance in plastics and suppliers - hence asking the question

I`m looking for the main global manufacturers/brands of sheet abs/polycarbonate sheet that: is vac formable available in vibrant colors (dont want to paint) High gloss finish uv/impact/scratch resisistant Who are the major producers of plastic sheet (apart from GE plastics)? ps its for a new...