Dear all, Our company have a problem for insufficient solder for PTH (thermal pad). It means vertical solder fill is less than 75%. Would you please to advise us for some parameters of Versa machine, includes: flux spraying time, Reheating temperature/time and soldering temperature/time. Some further information in below - Machine: ERSA Versaflow 40/50 - Component description: CAP,TANT,82UF,75V,10%,AXIAL (lead diameter 0.64 +/- 0.05 mm) - PCB info: Hole diameter 1 +/- 0.07 mm, thickness 2.1336 mm, thermal pad. - Material: solder bar Kester, Flux 959 - Current conditions: + flux time: 5s + Preheat temp 140 C deg, time 180s + Soldering temp 275 C deg, time 4s Thanks in advance. *************************** Nguyen Hoang Luan QA Supervisor - IPC Trainer Spartronics VietNam Co, Ltd. No.3, Street No.6, VSIP Th An Dist., BDuong Prov., VN Tel: (84-650) 784 890 Fax: (84-650) 784 891 Mobile: 090.3.667448 Email: [log in to unmask] *************************** ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 16.0 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 or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------