2016年11月26日 · One can ream a hole in a block..split the block with a 1/32" parting wheel.. add a closing drill and tap needed to provide adjusting the size..then with compound in the hole …

2013年4月2日 · If that really isnt an option, and there is no tolerance on the hole, simply apply the general drawing tolerances to the hole and then spec a reamer to ream to mid limit, 0.501". …

2007年5月18日 · We ream a tight hole in a 4130 jig box.. well actually there 6 holes 3.00mm to 3.05mm Ok yeah its a big limit... but then the customer whines if the holes are below 3.01 and …

2012年1月1日 · 1) when i ream a tight tolerance i ream the hole with a -0.005" reamer or use a 0.9950" reamer first. then i could use a 0.9990 or 0.9985 reamer. then i would use a 1.0000 …

2003年1月26日 · Make a quality hole to start with. May be overboard but I drill holes with carbide drills held in hydraulic chucks. Good location and precision hole size. For 3 to 16mm I always …

2020年12月4日 · He used to ream a lot of holes with reamers where he used to work years ago and says sometimes they are more trouble than what they are worth. What he does is …

2008年2月18日 · On a .236 dia hole I would get the hole about .0025 per side undersize, so your only taking out about .005 stock. On my small holes I usually only leave .002 total stock to …

2011年6月15日 · Biggest consideration is hole size before reaming. The tighter the tolerance on rough hole size, the more consistency in reamed hole size. I plan on 1-2% of finished diameter …

2004年7月14日 · I need a .375 +.003/-.000" 32RMS hole in 4130 22HRC part. I'm unsure about capabilities and callout responsibility. 1) Should I just callout hole size and finish and let …

2015年12月11日 · What I have found with reamers is this, ream with cutting oil for a larger hole, ream with coolant for a tighter hole, if you want it slightly extra large, ream with cutting oil and …