digplanet beta 1: Athena
Share digplanet:


Applied sciences






















A parting line, or seam in moldmaking is the place where two or more parts of the mold meet.[1] Parting lines occur due to minute inherent gaps between two mating faces of halves of the die. The material filling into these gaps is generally called molding flash or simply flashing. Parting lines generally show up as a raised line around the product (witness mark) on commodity products such as toys.

Many applications (seals, tight running molded parts) that require precision for shape control, call for removal of flashes. Secondary operations are thus employed, in addition to high precision molding dies to remove these flashes. Many molders will repair or even replace the mold tooling so that the flash is reduced to an acceptable tolerance or eliminated altogether. Secondary operations to remove parting line flash include hand trimming, vibratory tumbling, media blasting and cryogenic deflashing.[2]

Flashes are known to improve sealing between mating faces in some instances (Fuel tank seals, hydraulic power steering gear, etc.), and thus flashes are permitted to some extent in special cases.

In engineering drawing, parting line is often abbrivated as PL. ASME's Y14.8 standard specifies a symbol for parting line.[3]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Parting_line — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

369 news items

Irish Independent

Irish Independent
Sat, 28 Nov 2015 18:26:15 -0800

However, it is his parting line that is the most telling: "But they're letting down the flag!" There can be few more concise examples of the conflation of "Irish" and "Catholic" in the mindset of many at the time. And yet, crucially, for this preacher ...
Biddeford - Saco - OOB Courier
Thu, 26 Nov 2015 04:56:15 -0800

The opening track, “Dragonfly,” is a barnstormer of hair-raising punk-Americana guitar riffs that could get a crowd off their feet, but just as the feet get moving, the song ends at 2 minutes, 25 seconds with the parting line, “Oh my how the days pass ...

A.V. Club Denver/Boulder

A.V. Club Denver/Boulder
Sat, 21 Nov 2015 09:04:23 -0800

Luke lets Jessica live but leaves her with the parting line, “I was wrong, you are a piece of shit.” It's all fairly well executed although the final Jessica/Luke confrontation feels like a scene I've seen in dozens of action movies before. What feels ...

Huffington Post

Huffington Post
Fri, 30 Oct 2015 07:37:30 -0700

Her parting line of "I'm never leaving you ... no more secrets" is also just not anywhere close to a phrase said in a normal professor-student relationship, but we passed that line a long time ago. As for Asher, he trusted Annalise and Bonnie that all ...


Fri, 06 Nov 2015 09:14:01 -0800

After assuring us that trailer 3 would be the last, Disney sneakily released another international trailer for Star Wars 7. If this wasn't exciting enough, the new trailer has revealed tons of new footage that might just confirm our most popular fan ...
Business Wire (press release)
Wed, 18 Nov 2015 05:52:30 -0800

In addition, thanks to the solid-surface hybrid modeling technology, interchange between solid & surface becomes feasible by using face region method and parting line method. Therefore, faster and easier core and cavity splitting can be handily ...
ThomasNet News (press release) (blog)
Fri, 20 Nov 2015 06:03:45 -0800

Team of engineers will review new silicone part designs for material type, undercuts, gate locations, parting line locations, tolerances, and other geometric features among others. Once manufacturability review is complete, design changes will be ...


Sun, 22 Nov 2015 19:33:45 -0800

Luke lets Jessica live but leaves her with the parting line, “I was wrong, you are a piece of shit”. IGN gave it an 8.5 out of 10 rating, praising Ritter's outstanding performance as a damaged yet tough ex-superhero. “Kilgrave doesn't really show up in ...

Oops, we seem to be having trouble contacting Twitter

Support Wikipedia

A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia. Please add your support for Wikipedia!

Searchlight Group

Digplanet also receives support from Searchlight Group. Visit Searchlight