1. Nowhere 2. Top and bottom done concurrently. 3. I would -suggest- .003 as a max. misalignment top to bottom. Tim Reeves ECD |-----Original Message----- |From: Hamilton, Richard CLE 4454 [mailto:[log in to unmask]] |Sent: Tuesday, January 30, 2001 12:01 PM |Subject: V-Grove on PWB's | | |Hello all, | |Looking for rough feedback on how you apply IPC standards to |V-Groves on |boards. Also, (1)where in the IPC specs do you find such specifications? | |Do you apply what is there or are other factors applied for variances. | |Also, from the board fab houses that hang out here, (2)is this |process done top |and bottom at one time, or is each side grooved on its own? |(3)What would be an |acceptable alignment (top to bottom) tolerance? | |As usual, Thanks in advance!! | |Richard Hamilton |Clemar Mfg. / Rain Bird [log in to unmask] | --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------