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Machinery and Tools
The Machinery and Tools category covers questions regarding hand tools, power tools, workshop machinery (such as lathes, milling machines, etc), welding and cutting tools and equipment, measuring instruments, earth-moving machinery, furnaces, factory and industrial machinery.
1,597 Questions
How do you measure breaking strength of rope?
Suspend a weight on the rope and slowly increase the weight untill the rope breaks. If you want a more scientific approach you can use a tensile testing machine.
How the lottery number machine works?
There are two types: those that use gravity such that the balls drop out the bottom of the tombola and those that use air to force balls out of the top of tombola. Both may employ rotating arms spinning in opposite directions to thoroughly mix the balls. The balls themselves are weighed and calibrated so that the ball with number 1 is the same weight as 88 (the amount of paint in the number can affect the weight slightly).
See related links, below, for more information.
What is the hardness of Poly Crystalline Diamond tool?
It refers to some other special diamond tools which can also be applied in grinding or cutting applications in many industrial fields. A diamond tool is a cutting tool with diamond grains fixed on the functional parts of the tool via a bonding material or another method. As diamond is a superhard material, diamond tools have many advantages as compared with tools made with common abrasives such as corundum and silicon carbide.
- Measure the space where you are going to install your Laundry Maid and ensure the centres of the two ceiling pulleys are less than the overall length of the wooden rails and there is clearance space at either end.
- The double pulley should be approximately two feet away from the wall you will be fixing the cleat that is used for tying off the pulley ropes.
- Mark the two centre points on the ceiling.
- Drill two pilot holes large enough to enable the pulleys to be screwed by hand into the ceiling joist and then screw the pulleys into position.
- Fix the cleat to the wall, in line with the two pulleys.
- Slide the wooden rails into the rack ends on the floor and position the rack directly under the two pulleys.
- Pass one end of the rope over the back wheel of the double pulley, then over the single pulley wheel. Pull the rope down and tie it to the top of the rack end under the single pulley.
- Does the same thing with the other end of the rope, but this time only pass the rope over the front wheel off the double pulley and down to the other rack end, tie as before.
- Now start to pull the clothes airer up into position using both ropes to get it level. When you are happy with the height of the airier, tie a knot in the rope just under the wall cleat. When you pull the clothes airer up, hook the knot under the wall cleat. When the airer is in the loading position adjust the rope to suit the desired height and tie-off on the cleat.
What is the best tool for precision cutting of a 1x1x4 basswood block?
I would use a tenon saw for that.
Why shouldn't an impact wrench be used in place of a torque wrench?
An Impact wrench is for a totally different use. A torque wrench will let the user know when a certain torque has been achieved in tightening. The impact wrench is for removing very tough nuts under impact of a hammer.
What kind of simple machine is ROPE?
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
How do you identify when tools need re-sharpening?
To some extent it depends on the tool:
- carving knife, ie, the type of knife used for slicing meats: If you can see the edge of the knife, where it should taper to a very thin almost invisible line then the knife needs sharpening.
- chain saw: If the chips ejected from the cut are becoming very small like sawdust or if the chain is producing smoke then the chain should be sharpened.
- wood chisel: If the chisel glides over the wood rather than biting in then it probably needs to be cleaned or sharpened.
How do you to select a pneumatic hammer which can give 25 g force?
It depends on air pressure in the pneumatic system. You pneumatic systems for high and low air pressure to force change. This is the compressor power.
What drill bit to use with different size screws?
If they are self tapping screws, the drill bit is as thick as the solid barrel of the screw. If you want the screw to go through easily to have a nut on the other side, then the drill bit is slightly larger than thread size.
Which screwdriver is designed to be use as a chisel?
I've never seen one in many years of working with all kinds of tools - a screwdriver is JUST that.
A device is a thing made or adapted for a particular purpose; a piece of mechanical or electronic equipment.
Examples of devices include:
- amplifier
- bottle opener
- cotter pin
- dishwasher
- elevator
- forceps
- GPS (global positioning system)
- hanger
- incinerator
- jack
- knot
- loom
- microscope
- needle
- oil well
- propeller
- question mark
- router
- stapler
- USB (universal serial bus)
- valve
- wedge
- x-ray machine
- yogurt maker
- zipper
What is the use of a ball peen hammer?
It's a small hammer used in upholstery (before they had electric staplers ) One head is a round flat surface, about 3/4 " diameter and the other is the 'peen'.This is a flat short surface about 1/8 wide and 1/2" long meant for hitting small nails while you hold them.
Is McCulloch chain saw still made?
McCulloch chainsaws are still made in north America by Husqvarna Tool Corp.
What operations cannot be performed with a standard builders level?
You cannot chisel, saw or hammer with it.
What size screw can you use with 8.5 cm drill bit?
That's a pretty big drill bit, -it drills a hole just a tad larger than 3 3/8 inch wide.
What is the name of the machine used to bale hay?
They may be known as balers, hay balers, round balers, kick balers, square balers, and probably by other names. Please see the link.
