The learner will calculate and select the proper cutting speeds for various drill press operations.
Cutting Speeds and RPM Calculations for Drill Press Operations
Cutting speed is the speed ______.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Cutting speed is the speed ______.
Correct Answer
At the outside edge of the tool
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Cutting speed is the speed ______.
Your Answer
Correct Answer
At the outside edge of the tool
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
If two drills of different sizes are operating at the same RPM, the larger drill ______.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
If two drills of different sizes are operating at the same RPM, the larger drill ______.
Correct Answer
Has a greater surface speed
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
If two drills of different sizes are operating at the same RPM, the larger drill ______.
Your Answer
Correct Answer
Has a greater surface speed
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
The harder the work material,______.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
The harder the work material,______.
Correct Answer
The slower the cutting speed
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
The harder the work material,______.
Your Answer
Correct Answer
The slower the cutting speed
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Although you will find specific cutting speeds for reamers, a simple rule of _____ the speed of drilling will work for most reaming operations.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Although you will find specific cutting speeds for reamers, a simple rule of _____ the speed of drilling will work for most reaming operations.
Correct Answer
One-half
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Although you will find specific cutting speeds for reamers, a simple rule of _____ the speed of drilling will work for most reaming operations.
Your Answer
Correct Answer
One-half
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Although you will find specific cutting speeds for countersinking and counterboring, a simple rule of _____ the speed of drilling will work for most countersinking and counterboring operations.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Although you will find specific cutting speeds for countersinking and counterboring, a simple rule of _____ the speed of drilling will work for most countersinking and counterboring operations.
Correct Answer
One-third
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Although you will find specific cutting speeds for countersinking and counterboring, a simple rule of _____ the speed of drilling will work for most countersinking and counterboring operations.
Your Answer
Correct Answer
One-third
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
When calculating the proper RPM for using a center drill, use the diameter of the ____for your calculations.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
When calculating the proper RPM for using a center drill, use the diameter of the ____for your calculations.
Correct Answer
Pilot
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
When calculating the proper RPM for using a center drill, use the diameter of the ____for your calculations.
Your Answer
Correct Answer
Pilot
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Many variables must be considered when selecting the best spindle speed for machine tapping. Select the variable that should NOT be taken into consideration.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Many variables must be considered when selecting the best spindle speed for machine tapping. Select the variable that should NOT be taken into consideration.
Correct Answer
All of the above need to be considered.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Many variables must be considered when selecting the best spindle speed for machine tapping. Select the variable that should NOT be taken into consideration.
Your Answer
Correct Answer
All of the above need to be considered.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for drilling with a 2.500-inch carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 500 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for drilling with a 2.500-inch carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 500 SFPM.
Correct Answer
800 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for drilling with a 2.500-inch carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 500 SFPM.
Your Answer
Correct Answer
800 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for drilling a hole with a 0.75-inch, high-speed steel drill in 1095 steel. The cutting speed for a high-speed steel drill in 1095 steel is 40 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for drilling a hole with a 0.75-inch, high-speed steel drill in 1095 steel. The cutting speed for a high-speed steel drill in 1095 steel is 40 SFPM.
Correct Answer
215 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for drilling a hole with a 0.75-inch, high-speed steel drill in 1095 steel. The cutting speed for a high-speed steel drill in 1095 steel is 40 SFPM.
Your Answer
Correct Answer
215 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for drilling with a 1.00-inch high-speed steel drill in 52100 steel. The cutting speed for a high-speed drill, drilling in 52100 steel, is 50 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for drilling with a 1.00-inch high-speed steel drill in 52100 steel. The cutting speed for a high-speed drill, drilling in 52100 steel, is 50 SFPM.
Correct Answer
200 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for drilling with a 1.00-inch high-speed steel drill in 52100 steel. The cutting speed for a high-speed drill, drilling in 52100 steel, is 50 SFPM.
Your Answer
Correct Answer
200 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for counterboring with a 0.7500-inch counterbore in 4140 steel. The cutting speed for a high-speed steel drill in 4140 steel is 80 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for counterboring with a 0.7500-inch counterbore in 4140 steel. The cutting speed for a high-speed steel drill in 4140 steel is 80 SFPM.
Correct Answer
140 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for counterboring with a 0.7500-inch counterbore in 4140 steel. The cutting speed for a high-speed steel drill in 4140 steel is 80 SFPM.
Your Answer
Correct Answer
140 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for countersinking to a diameter of .500-inch in 1018 steel. The cutting speed for a high-speed steel drill in 1018 steel is 90 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for countersinking to a diameter of .500-inch in 1018 steel. The cutting speed for a high-speed steel drill in 1018 steel is 90 SFPM.
Correct Answer
240 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for countersinking to a diameter of .500-inch in 1018 steel. The cutting speed for a high-speed steel drill in 1018 steel is 90 SFPM.
Your Answer
Correct Answer
240 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for center drilling in 1018 steel. The center drill is a #4 center drill, which has a 3/8-inch body diameter and a 1/8-inch pilot diameter. The cutting speed for a high-speed steel drill in 1018 steel is 100 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for center drilling in 1018 steel. The center drill is a #4 center drill, which has a 3/8-inch body diameter and a 1/8-inch pilot diameter. The cutting speed for a high-speed steel drill in 1018 steel is 100 SFPM.
Correct Answer
3200 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for center drilling in 1018 steel. The center drill is a #4 center drill, which has a 3/8-inch body diameter and a 1/8-inch pilot diameter. The cutting speed for a high-speed steel drill in 1018 steel is 100 SFPM.
Your Answer
Correct Answer
3200 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for tapping with a ½-13 high-speed steel tap in 4140 steel. The cutting speed for a high-speed steel tap in 4140 steel is 50 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for tapping with a ½-13 high-speed steel tap in 4140 steel. The cutting speed for a high-speed steel tap in 4140 steel is 50 SFPM.
Correct Answer
400 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for tapping with a ½-13 high-speed steel tap in 4140 steel. The cutting speed for a high-speed steel tap in 4140 steel is 50 SFPM.
Your Answer
Correct Answer
400 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Calculate the RPM for drilling with a .125-inch solid carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 320 SFPM.
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Correct!
Calculate the RPM for drilling with a .125-inch solid carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 320 SFPM.
Correct Answer
10,240 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
Incorrect
Calculate the RPM for drilling with a .125-inch solid carbide drill in 1045 steel. The cutting speed for a carbide drill in 1045 steel is 320 SFPM.
Your Answer
Correct Answer
10,240 RPM
Question 1 of 10
Cutting Speeds and RPM Calculations for Drill Press Operations
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- 11/18/2014
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- 11/18/2014
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Cutting Speeds and RPM Calculations for Drill Press Operations by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.