![12. [25 points] A grade-2 through-hardened steel pinion with BHN of 350 is driving a steel gear of the same material and hard](http://img.homeworklib.com/questions/02f5e190-b971-11ea-8c34-e709c50a0de3.png?x-oss-process=image/resize,w_560)
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12. [25 points] A grade-2 through-hardened steel pinion with BHN of 350 is driving a steel...
designs QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of...
designs
QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of 6 teeth/in has been selected with a 2.25 in face width. Also, the teeth are to be 25 full depth, with a ddendum of 1.35/ pa for a pinion speed of 1150 rpm, and 10 hp is to transmitted under steady load conditions. The material selected for both gears is a through-hardened steel of a hardness of 302 Bhn . Determined the actors of...
The accessory drive unit of a large aircraft engine involves an identical pair of 200 full-depth spur gears. The gears have 70 teeth and rotate together at 8000 rpm. The diametral pitch is 12 and...
The accessory drive unit of a large aircraft engine involves an identical pair of 200 full-depth spur gears. The gears have 70 teeth and rotate together at 8000 rpm. The diametral pitch is 12 and the face width 1.0 in. The gears are made of alloy steel, case-hardened to 62RC (680 Bhn). Although the case extends throughout the fillet, it is conservatively decided to use the core hardness of 500 Bhn for calculating fatigue strengths. The tooth profiles are finished...
9. AGMA Shigley 5th Ed. 14-27 A 17-tooth 20°-pressure angle spur pinion rotates at 1800 rev/min...
9. AGMA Shigley 5th Ed. 14-27 A 17-tooth 20°-pressure angle spur pinion rotates at 1800 rev/min and transmits 4 hp to a 52-tooth gear. The diametral pitch is 10, the face width is 1.25 in, the quality standard is No. 6, and the mounting is with exceptional rigidity. The pinion is steel, hardened to Brinell 240, and the gear is of No. 30 cast iron. Find the factor of safety based on surface fatigue strength if the life is to...
A step down gear drive is used in a conveyor system. The input pinion is made of 18 teeth runs at 1720 rpm, the driv...
A step down gear drive is used in a conveyor system. The input pinion is made of 18 teeth runs at 1720 rpm, the driven gear runs at 860 rpm. The gears are supported on less rigid mountings, less accurate gears. The gears are made by hobbing process. Find: (a) The tooth bending strength of both wheels and the maximum power that can be transmitted to the drive (b) By considering surface durability conditions find the_maximum power that can be...
Gear Design- Data for problems A pair of steel full-depth, involute teeth, the pinion speed is...
Gear Design- Data for problems A pair of steel full-depth, involute teeth, the pinion speed is 1000 rpm. The pinion has 18 teeth and the gear has 36 teeth. The gears have a quality grade of A8, a design reliability of 99% with a factor of safety of 1.0. They are installed in a commercial enclosed gear unit. The pinion has a rim thick gears transmits an average of 10 hp. The gear pair has a P 8, a 20...
There are two spur gears in mate (a pinion and gear) determine the minimum face width...
There are two spur gears in mate (a pinion and gear) determine the minimum face width based on the bending equations and the data below: (hint: use iterative approach) . Determine the face-width for the pinion (use bending equations) * Design/Safety Factor (SF) 2 · NP (teeth) = 20 Pressure angle (degrees) = 20 · n (rpms) = 1200 H (hp) 100 Ng (teeth) = 60 . Pd (teeth/in) 8 . Quality number (Qv) 11 Pinion is made of nitrided...
3. A commercial enclosed gear drive consists of a 20 spur pinion having 16 teeth driving a 48-tooth gear. The pinion speed is 300 rev/min, the gear face width 2 in., and the diametral pitch 6 teeth/i...
3. A commercial enclosed gear drive consists of a 20 spur pinion having 16 teeth driving a 48-tooth gear. The pinion speed is 300 rev/min, the gear face width 2 in., and the diametral pitch 6 teeth/in. The gears are grade t steel, through-hardened at 200 Brinell, made to No. 6 quality standards, uncrowned, and are to be accurately and ngid mounted Assume a lion life ofi will transmitareliability of90%(KR 0.85), and use YN 1.355N 01:8 and Z 1. used...
QUESTION 3 Using the data below, determine the bending factor of safety for the pinion. Gear...
QUESTION 3 Using the data below, determine the bending factor of safety for the pinion. Gear type: Spur Gear with Full depth teeth . Pressure angle (degrees) 20 . Np (teeth) 20 * n (rpms) 1200 ·H(hp) = 60 . Ng (teeth) 36 Pd (teeth/in) 4 face width (in) 3 . Quality factor (Q ) = 8 e gear mounting straddled between bearings Pinion (HB) 300 (material: steel) Gear (HB) = 240 (material: steel) . Are the teeth crowned? No...
There are two bevel gears in mate (a pinion and gear) determine the maximum diametral pitch...
There are two bevel gears in mate (a pinion and gear) determine the maximum diametral pitch (or closest to SF) based on the bending equations and the data below: (hint: use iterative approach, meaning it make take more than one try) (Also recall that diametral pitches are standardized, find the one the closest to standardized value while satisfying the FOS) . Determine the optimal diametral pitch, P, for the pinion (use bending equations) . Design/Safety Factor (SF)2.00 Overall Factor of...
Two 20° involute full depth spur gears are used to transmit the power and speeds shown....
Two 20° involute full depth spur gears are used to transmit the power and speeds shown. The material for both pinion and gear is specified as through- hardened steel tempered to 300 BHN surface hardness. Both pinion and gear are precision cut for "very accurate” gearing. For a factor of safety of 2 and assuming a diametral pitch, Pof 9. specify face widths of the pinion and gear using only the AGMA bending fatigue analysis. State all assumptions used to...
designs
QIII) A 15-tooth, precision-made spur pinion is to drive a 25-tooth gear. A pitch of 6 teeth/in has been selected with a 2.25 in face width. Also, the teeth are to be 25 full depth, with a ddendum of 1.35/ pa for a pinion speed of 1150 rpm, and 10 hp is to transmitted under steady load conditions. The material selected for both gears is a through-hardened steel of a hardness of 302 Bhn . Determined the actors of...
The accessory drive unit of a large aircraft engine involves an identical pair of 200 full-depth spur gears. The gears have 70 teeth and rotate together at 8000 rpm. The diametral pitch is 12 and the face width 1.0 in. The gears are made of alloy steel, case-hardened to 62RC (680 Bhn). Although the case extends throughout the fillet, it is conservatively decided to use the core hardness of 500 Bhn for calculating fatigue strengths. The tooth profiles are finished...
9. AGMA Shigley 5th Ed. 14-27 A 17-tooth 20°-pressure angle spur pinion rotates at 1800 rev/min and transmits 4 hp to a 52-tooth gear. The diametral pitch is 10, the face width is 1.25 in, the quality standard is No. 6, and the mounting is with exceptional rigidity. The pinion is steel, hardened to Brinell 240, and the gear is of No. 30 cast iron. Find the factor of safety based on surface fatigue strength if the life is to...
A step down gear drive is used in a conveyor system. The input pinion is made of 18 teeth runs at 1720 rpm, the driven gear runs at 860 rpm. The gears are supported on less rigid mountings, less accurate gears. The gears are made by hobbing process. Find: (a) The tooth bending strength of both wheels and the maximum power that can be transmitted to the drive (b) By considering surface durability conditions find the_maximum power that can be...
Gear Design- Data for problems A pair of steel full-depth, involute teeth, the pinion speed is 1000 rpm. The pinion has 18 teeth and the gear has 36 teeth. The gears have a quality grade of A8, a design reliability of 99% with a factor of safety of 1.0. They are installed in a commercial enclosed gear unit. The pinion has a rim thick gears transmits an average of 10 hp. The gear pair has a P 8, a 20...
There are two spur gears in mate (a pinion and gear) determine the minimum face width based on the bending equations and the data below: (hint: use iterative approach) . Determine the face-width for the pinion (use bending equations) * Design/Safety Factor (SF) 2 · NP (teeth) = 20 Pressure angle (degrees) = 20 · n (rpms) = 1200 H (hp) 100 Ng (teeth) = 60 . Pd (teeth/in) 8 . Quality number (Qv) 11 Pinion is made of nitrided...
3. A commercial enclosed gear drive consists of a 20 spur pinion having 16 teeth driving a 48-tooth gear. The pinion speed is 300 rev/min, the gear face width 2 in., and the diametral pitch 6 teeth/in. The gears are grade t steel, through-hardened at 200 Brinell, made to No. 6 quality standards, uncrowned, and are to be accurately and ngid mounted Assume a lion life ofi will transmitareliability of90%(KR 0.85), and use YN 1.355N 01:8 and Z 1. used...
QUESTION 3 Using the data below, determine the bending factor of safety for the pinion. Gear type: Spur Gear with Full depth teeth . Pressure angle (degrees) 20 . Np (teeth) 20 * n (rpms) 1200 ·H(hp) = 60 . Ng (teeth) 36 Pd (teeth/in) 4 face width (in) 3 . Quality factor (Q ) = 8 e gear mounting straddled between bearings Pinion (HB) 300 (material: steel) Gear (HB) = 240 (material: steel) . Are the teeth crowned? No...
There are two bevel gears in mate (a pinion and gear) determine the maximum diametral pitch (or closest to SF) based on the bending equations and the data below: (hint: use iterative approach, meaning it make take more than one try) (Also recall that diametral pitches are standardized, find the one the closest to standardized value while satisfying the FOS) . Determine the optimal diametral pitch, P, for the pinion (use bending equations) . Design/Safety Factor (SF)2.00 Overall Factor of...
Two 20° involute full depth spur gears are used to transmit the power and speeds shown. The material for both pinion and gear is specified as through- hardened steel tempered to 300 BHN surface hardness. Both pinion and gear are precision cut for "very accurate” gearing. For a factor of safety of 2 and assuming a diametral pitch, Pof 9. specify face widths of the pinion and gear using only the AGMA bending fatigue analysis. State all assumptions used to...
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