And what country can preserve its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
Difference between amateurs and professionals is that the pro has the right too for the job and the one shown is not it. To develop the full clamp load of the bolt, the tension in the bolt has to be 75% of yield strength. To reach that consistently there should be a washer under the bolt head and nut. The "torque" applied is actually a measure of the friction in the bolt system. The washers supply a consistent surface for the nut and bolt head to bear against. The plating on the bolt and nut is actually a lubricant and reduces the needed torque required. Dry nuts require greater torque to be effective (stop giggling). The Pump pliers will not be able to supply the torque. They look like 3/4" bolts, which require, depending on grade, hundreds of ft-pound of torque.
The answer is, it depends. Some setups do not require a washer(s), others do. Some require thread lubrication, others do not. You are assuming a standard that may or may not exist. Applications often differ.
Having said that, no, those pliers are NOT the correct tool for the job. Proper wrenches are the correct tool.
y'd think with our high level of design engineering today, this whole bolt and nut clamping system could have easily been obviated; anyone else sees of a simple alternative system that could be employed?
Difference between amateurs and professionals is that the pro has the right too for the job and the one shown is not it. To develop the full clamp load of the bolt, the tension in the bolt has to be 75% of yield strength. To reach that consistently there should be a washer under the bolt head and nut. The "torque" applied is actually a measure of the friction in the bolt system. The washers supply a consistent surface for the nut and bolt head to bear against. The plating on the bolt and nut is actually a lubricant and reduces the needed torque required. Dry nuts require greater torque to be effective (stop giggling). The Pump pliers will not be able to supply the torque. They look like 3/4" bolts, which require, depending on grade, hundreds of ft-pound of torque.
ReplyDeleteSpin
I knew before clicking on this that this would be the first comment.
Deleteall correct anon 6:50. look closely, the photo set up is staged.
DeleteThe answer is, it depends. Some setups do not require a washer(s), others do. Some require thread lubrication, others do not. You are assuming a standard that may or may not exist. Applications often differ.
DeleteHaving said that, no, those pliers are NOT the correct tool for the job. Proper wrenches are the correct tool.
If you can use those pliers, you can use a box end wrench.
ReplyDeletePerfect to keep the bolt from turning while you tighten up the nut from the bottom.
ReplyDeletey'd think with our high level of design engineering today, this whole bolt and nut clamping system could have easily been obviated; anyone else sees of a simple alternative system that could be employed?
ReplyDelete