If you're comparing the 'free-spinning' speed against the 'working' speed... The reason the work speed is lower is that, while drilling, there are friction and rotational forces acting on the bit - which slows it down.
the speed at which work is done is velocity
work
It Boosts Speed
speed is force because its using energy to move and it is movement because speed is work.
You drill plexiglass with a standard HSS drill at a low speed and with a piece of wood right where the drill point will exit the work.
Work speed needs to be lower when using drill bits on guns for many reasons. The main reason though is that if you drill to fast on the metal it will heat to much and therefore weaken it. You want the steel to be as strong as possible on guns.
This variable speed drill is for drilling different diameter chose different speeds. Workpiece material in the drill speed is important.
This variable speed drill is for drilling different diameter chose different speeds. Workpiece material in the drill speed is important.
variable speed drill No. The correct answer is: Variable Speed Reversing, meaning it has a switch that lets you run the drill clockwise or counterclockwise, at any speed from 0 RPM to the maximum rated speed for the drill in question.
Most are belt driven and have a step down pulley on the motor and the drill. Changing the groove the belt is in changes the speed of the drill. Small groove on the motor and large on the drill will give you the slowest speed.
If you're comparing the 'free-spinning' speed against the 'working' speed... The reason the work speed is lower is that, while drilling, there are friction and rotational forces acting on the bit - which slows it down.
VSR on a drill stands for Variable Speed Reversible.
Larger bits require a slower (more power) speed.
You can drill holes in aluminum with a drill as long as you have the proper drill bit. Use a regular drill bit and keep speed moderate.
VSR - acronym meaning Variable Speed Reversible drill
It is called "Drill Rod"