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B. 2,500 rpm
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What is the major difference between a high-speed and a high-torque drill?
The speed of a drill is defined as how many RPM's of the chuck. The TORQUE of a drill is defined as how many "ft/lbs" the chuck can transfer to a drill bit. Imagine the drill has a pulley connected to the chuck and the pulley has a radius of 1 ft. Connect a string to the pulley and see how much weight the drill can lift. If the drill could lift 25 pounds using that 1 ft radius pulley, it is developing 25 ft/lbs of torque. The weight may be lifted very slowly or very rapidly, depending on the RPM's of the chuck, but the torque will be determined by how much weight the drill would lift. Both are important characteristics of a drill. If the motor is weak, the manufacturer may use gearing to provide more torque, but if the chuck is turning slowly, you won't get much work done. If the motor is larger, the manufacturer may not need to use gearing to give you the same torque.
What are some of the applications of shunt motors?
1. D.C Shunt Motors:It is a constant speed motor.Where the speed is required to remain almost constant from noload to full load.Where the load has to be driven at a number of speeds and any one of which is nearly constant. Industrial use: Lathes Drills Boring mills Shapers Spinning and Weaving machines. 2. D.CSeries motor: It is a variable speed motor.The speed is low at high torque.At light or no load ,the motor speed attains dangerously high speed.The motor has a high starting torque.(elevators,electric traction) Industrial Uses: Electric traction Cranes Elevators Air compressor Vacuum cleaner Hair drier Sewing machine 3. D.C Compound motor: Differential compound motors are rarely used because of its poor torque characteristics. Industrial uses: PressesShears Reciprocating machine.
What is the maximum current of the pole changing motor when running at low speed and high speed?
The maximum current of the pole changing motor when running at low speed and high speed depends on a few different things. The average when begin at low speed and using high speed is 1800 RPM points.
How speed of the repulsion motor can be reversed?
it has very high speed but no load
Why no load-speed of a dc series motor is very high?
high torque
What is the typical no-load speed of a high-speed drill?
B. 2,500 rpm
What is the rod called that is used to make high speed drill bits?
It is called "Drill Rod"
Why is tungsten used for high-speed drill bits?
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Application of highy red hardness alloy?
high speed drill bits
What is iron drill bits?
I have worked with tools over 40 years and never seen an iron drill bit. Most common drill bits are HSS -High Speed Steel.
What is a high speed drill bit?
High Speed refers to the type of steel alloy used to make the drill bit. This is an air hardening steel (high speed cooling) the hardness should not be affected if the bit is heated (even to redhot ) and allowed to cool in air.
What is the cheapest steel used to make drill bits?
High Speed Steel aka HSS
What speed would you run a drill press for poplar?
You would run it at a fairly slow speed. It would grab at high speeds.
How do you drill stainless steel?
You have to use the hardest, most expensive drill bits you can find. Use a drill press when possible, and cutting paste. Use a slow speed and firm pressure. If you use a high speed, too much heat is generated and the steel will harden and blunt the drillbit.
How do you cut a hole in clay tile?
With a high-speed drill or rotary tool - carbide or diamond bit.
What dental equipment is considered to be paramount?
the air-driven, high-speed drill and the reclining dentist's chair
The benefit of high speed steel?
High Speed Steel is not a type of steel. It is a designation given to any tool that is capable of cutting into or through steel at high speed. A drill bit for example. Refer to the question "What is the difference between mild steel and high speed steel" for a more thorough answer.
