Podcast
Questions and Answers
What is one advantage of a mechanical press over a hydraulic press?
What is one advantage of a mechanical press over a hydraulic press?
- Can adjust stroke length with precision
- Develops greater than rated tonnage due to inertia of the flywheel (correct)
- Provides smoother operation for thin metal sheets
- Prevents overloading by limiting force
What is the function of the blanking punch in a progressive die?
What is the function of the blanking punch in a progressive die?
- Forming the cup
- Cutting a hole in the stock
- Blanking out a portion of the metal (correct)
- Producing a finished washer
In the context of a progressive die, what happens after the first stroke?
In the context of a progressive die, what happens after the first stroke?
- A cup will be drawn
- A metal portion will be blanked out
- A washer will be produced
- A hole will be punched (correct)
Why are most mechanical presses provided with extra strong frames?
Why are most mechanical presses provided with extra strong frames?
What is the role of the piercing punch in a progressive die?
What is the role of the piercing punch in a progressive die?
What happens if a mechanical press brake is overloaded?
What happens if a mechanical press brake is overloaded?
What is the significance of the negligible corner radius of the cup in drawing from a steel sheet?
What is the significance of the negligible corner radius of the cup in drawing from a steel sheet?
In what aspect is hydraulic press brake stroke control superior to mechanical press stroke control?
In what aspect is hydraulic press brake stroke control superior to mechanical press stroke control?
Why are hydraulic press brakes often preferred for segmental forming?
Why are hydraulic press brakes often preferred for segmental forming?
How does the yield strength of steel affect the drawing process from a steel sheet?
How does the yield strength of steel affect the drawing process from a steel sheet?
What feature allows hydraulic press brakes to have a dwell period that is not possible in mechanical presses?
What feature allows hydraulic press brakes to have a dwell period that is not possible in mechanical presses?
What is the composition of water hardening steel?
What is the composition of water hardening steel?
Which type of steel has a hardness range of 57-62 HRC?
Which type of steel has a hardness range of 57-62 HRC?
What is the primary alloying element in high carbon high chromium (HCHC) non shrinking tool steel?
What is the primary alloying element in high carbon high chromium (HCHC) non shrinking tool steel?
Which material is more suitable for delicate and slender punches due to less distortion during heat treatment?
Which material is more suitable for delicate and slender punches due to less distortion during heat treatment?
Which material is commonly used for elements like screws subjected to high tensile stresses?
Which material is commonly used for elements like screws subjected to high tensile stresses?
What is the hardness range of Mo H.S.S. steel?
What is the hardness range of Mo H.S.S. steel?
In blanking operation, why is shear provided on the die?
In blanking operation, why is shear provided on the die?
What is the purpose of specifying the tonnage at a crank angle for a press?
What is the purpose of specifying the tonnage at a crank angle for a press?
What is the main purpose of the flywheel in a press according to the text?
What is the main purpose of the flywheel in a press according to the text?
Which component of a press is designed to exert a defined amount of force at a given crank angle?
Which component of a press is designed to exert a defined amount of force at a given crank angle?
Why must the energy supplied by the flywheel be more than the energy needed for operations in a press?
Why must the energy supplied by the flywheel be more than the energy needed for operations in a press?
What determines the size of the blank in a blanking operation?
What determines the size of the blank in a blanking operation?
What is the purpose of providing shear on the die in blanking operation?
What is the purpose of providing shear on the die in blanking operation?
Why is correct orientation of grain direction necessary in arranging the strip layout?
Why is correct orientation of grain direction necessary in arranging the strip layout?
Why is a shaving operation needed after blanking?
Why is a shaving operation needed after blanking?
What does the required blank size in blanking operation equal to?
What does the required blank size in blanking operation equal to?
Why are cutting and non-cutting operations not combined in one station of progressive die?
Why are cutting and non-cutting operations not combined in one station of progressive die?
What is the main reason for providing clearance on the punch in blanking operation?
What is the main reason for providing clearance on the punch in blanking operation?
