Hi, I zero the caliper at the beginning of each use. I noticed that depending on where I use it and even at the same location, depending on how much force I use to close the caliper, I get different values. So I get different readings all the time. What is the proper way to get the measurements...
Hi, I bought a set of drill bits from Amazon:
Hymnorq 1.0 to 10mm Metric Jobber Twist Drill Bits Set of 19pcs Titanium Coated HSS 4241, Straight Shank for General Purpose in Wood Plastic and Soft Metal Sheet
To my disappointment, they could not even drill IKEA wood! How come?
Are there any...
Hi, I am looking for washers. On McMaster webpage, for each washer they list a range of thickness of about 0.4mm difference. Is it all by luck in getting the thickness I want? Can't they make exact thickness?
When designing mechanical devices that use washers, which thickness value should I use...
Hi, I assembled some frames using M2-M2.5 countersink screws but I noticed that due to the countersink shape, it seems that these screws are not able to mount the frames as tightly as those flat head bolt screws. I mean I could still slide the frames around after tightening up the countersink...
Hello, assuming that everything of the three motors are the same except that the gears are made of different materials. The first one is made of Delrin composite gears, the second one is made of metal and plastic gears and the last one is made of metal gears. How are they ranked in terms of...