Construction Tools

An individual wrench may cost $4 -18 . You get a much better deal buying a set of 7-8 wrenches.

Gantry cranes can be stationary or rolling. They generally all are set up in the same basic configuration. On a rolling crane, the hoist is often mobile only crosswise to the cranes forward and back rolling motion. On a stationary gantry the bridge or cross-member might be mobile rolling foreward and back along tracks, This type of crane is often referred to as a "bridge" crane. On the bridge or cross-member there is often a trolley which will move the breadth of the bridge.
The hoisting device is attached to the trolley.

a simple Gantry Crane can be made with 6x6 beams and a 2 ton chainfall, this should be able to handle a 1/2 ton to 1 ton lift without a problem.
Build a cradle 8 foot by 8 foot with four beams joined securely at the corners. mount two 6x6 8 foot beams vertically onto this cradle securely joined at the base, with two angle guy supports (tensioned with turnbuckles) out to either corner of the cradle on the same side as each post (they should be secured with 1/2 " diameter eye bolts through bolted to the post and the cradle, 1/4" steel cable should be sufficient). securely mount a beam across the top of these two posts, angle braces to prevent side motion should be used here. you now have a semi portable gantry. With a load strap or 4 ton rated chain wrapped around the cross member you can mount the chainfall and use this to hoist a small load up to 6 feet vertically. The taller the post the higher the lift, the cradle sides should be as long as the posts are tall.

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Start by taking it back where you bought, it with your receipt.

Mark it properly and very visibly where you are going to cut. Put the plywood on 2 work-horses, cut it (being sure to MISS the work-horses. Keep your hands out of the way of the blade.

It is approximately 2 horsepower depending on make.

if it is a hand saw, a Chinese man named lu ban created the saw.

If your screwdriver blade is magnetised it will attract regular steel screws but not stainless steel or those with a coating.

Yes, if you have the special blade to do so. I use Bosch or Lenox blades with 32 teeth per inch

I find it easiest to cut chicken wire with aircraft style sheet metal shears. -It could be done with diagonal pliers or wire cutters, but that's a lot more effort.

Tool is just a method or you can say software or hardware which is helpful for doing some inventions or new things or to test something which we want to make but first we want to test that will work hopefully or not.

yes and no

If materials get caught by the drill bit, the material will start to whip around and this is dangerous. Even if injury to the operator is avoided, damage to the material is certain . -Be safe, and clamp all work to the drill table.

It was the only way to nail things together. Screws were not yet used in construction.

Hack saws cut through metals. They use disposable blades that have very small, very hard teeth. When the teeth become blunt, you simply undo the blade and fit a new one.

You use a screwdriver when you remove or fit screws in anything.

Makes kinetic energy.

You should clamp work on a drill press to ensure the drill bit goes exactly where you want it to. -Also, thin materials can often grip the drill bit and spin around if not clamped.

Both give a percussion action to break stone and concrete.

The Hobart 5801 Bandsaw is definitely 3 phase.

A rasp is really just a rough file and I've never seen it as a particularly 'unsafe' tool. -As long as you hold it firmly at each end and move it smoothly over the object you are filing, then it should be safe.

A wrench is usually the tool symbol because it's universally recognised and a simple figure.

Pliers with a long thin nose to get into narrow, small places.

We don't know unless we can see it.

Many different machines may be used in construction. Two that you always see are a large compressor and a large generator to run all the tools.