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Tractors

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Published: 09 June 2014
Fig. 9 Twin tractor drive system More
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Published: 01 January 2002
Fig. 8 Fitting for attaching dual wheels to a tractor axle that failed when 1045 steel U-bolts in the assembly were overstressed. The bolts failed because of poor hardenability relative to their diameter. More
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Published: 31 December 2017
Fig. 6 Tractor-pulled (a) rotary tiller, (b) spring loaded tiller, and (c) disc plow during land preparation More
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Published: 31 December 2017
Fig. 29 Effect of steel composition and hardness on the wear of crawler tractor track pins. Carburized 1018 is compared with Induction-hardened 1045 and 4140. More
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Published: 30 August 2021
Fig. 7 Fitting for attaching dual wheels to a tractor axle that failed when 1045 steel U-bolts in the assembly were overstressed. The bolts failed because of poor hardenability relative to their diameter. More
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005849
EISBN: 978-1-62708-167-2
... infeed billet handling systems such as bin tippers, elevator feeders, rotary feeders, vibratory bowl feeders, magazine loaders, and rod feeders. The article provides information on the main categories of billet feeding systems, namely, dual pinch roll drive assemblies, tractor drive assemblies, billet...
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Published: 01 December 2008
Fig. 22 Nine shell-mold castings that were produced to a high degree of dimensional accuracy. The mold mixture was zircon sand with 21/2% resin and 1/2% calcium stearate. The cold coating process was used. (a) 100 kg (220 lb) carbon steel casting (0.25% C) of highway-tractor fifth wheel More
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Published: 31 December 2017
Fig. 3 (a) The truck bed is abraded by the free flow of dumped ore or minerals under relatively low wearing stress. (b) Abrasive wear of tractors during the process of plowing soil under low wearing stress. (c) Wear of ore crushers (roller crusher) under high stresses More
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Published: 01 January 1990
Fig. 18 Copper-base P/M friction elements. (a) Grooved P/M friction elements for wet applications. (b) copper-base P/M clutch plates (280 to 500 mm OD) used in power-shift transmissions for tractors. (c) Copper-base P/M friction pad More
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Published: 01 January 1987
Fig. 197 Surface of a torsional-fatigue fracture in an induction-hardened AISI 1041 steel experimental tractor axle same as in Fig. 196 . Hardness in the hardened zone was 50 HRC at 11 to 12 mm ( 7 16 to 15 32 in.) beneath the axle surface at the crack origin. This axle More
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Published: 01 January 1987
Fig. 245 Surface of a fatigue fracture that occurred, after 732 h of service, in a tooth of the induction-hardened AISI 1053 steel left-side bull gear of a tractor. Hardness of the tooth was 57 HRC at the tip and 50 HRC at a depth of 13.3 mm (0.52 in.). Hardness in the root fillet More
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Published: 01 January 1987
Fig. 196 Surface of a bending-plus-torsional-fatigue fracture in an experimental 89-mm (3 1 2 -in.) diam tractor axle of AISI 1041 steel that had been induction hardened. Fracture occurred after 1212 h on an endurance-test track. Note beach marks fanning out from the fatigue-crack More
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Published: 01 January 1987
Fig. 246 Surface of a fatigue fracture (similar to that in Fig. 245 ) that occurred, after 841 h of service, in a tooth of the right-side bull gear of the same tractor. This gear also was made of AISI 1053 steel and induction hardened. Hardness of this gear was similar to that of the gear More
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Published: 01 January 1987
Fig. 571 Surface of a fracture in an equalizer bar, which supports the front end of a tractor, fabricated from D6B steel and heat treated to a hardness of 45 to 47 HRC. The bar was put into service for 200 h and then returned to the laboratory, where it was flexed in fatigue to fracture at 60 More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006405
EISBN: 978-1-62708-192-4
... oils Nonengine lubricants are subcategorized as: Transmission fluids (automatic, manual, and power) Power steering fluids Shock absorber fluids Gear oils (automotive and industrial) Hydraulic fluids (tractor and industrial) Metalworking fluids Miscellaneous industrial oils...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006386
EISBN: 978-1-62708-192-4
.... Ground Engagement with Implements In contrast to the crop engagement with equipment parts, generally, ground engagement in agriculture machines is through implements attached to a tractor and pulled over the fields to perform various land preparation and seeding operations. Typical land preparation...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000607
EISBN: 978-1-62708-181-8
..., in a tooth of the induction-hardened AISI 1053 steel left-side bull gear of a tractor. Hardness of the tooth was 57 HRC at the tip and 50 HRC at a depth of 13.3 mm (0.52 in.). Hardness in the root fillet was approximately 56 HRC near the surface and 50 HRC at a depth of 11.5 mm (0.45 in.). The arrow...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...: Fatigue Fracture of 1045 Steel U-Bolts on a Tractor Fitting When a farm tractor is to be used on sticky or wet soils, it is common practice to attach dual driving wheels to the rear axles of the tractor by using fittings such as that shown in Fig. 8 . SAE, grade 5, U-bolts are used to fasten...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... alloy content. Also, the tensile strength and endurance limit were lower than specified and were inadequate for the application. Corrective Measure The material for the cap screw was changed from modified 1035 steel to 5140 steel. Example 3: Fatigue Fracture of 1045 Steel U-Bolts on a Tractor...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000606
EISBN: 978-1-62708-181-8
... set pointing to the crack origin at left. Actual size Fig. 196 Surface of a bending-plus-torsional-fatigue fracture in an experimental 89-mm (3 1 2 -in.) diam tractor axle of AISI 1041 steel that had been induction hardened. Fracture occurred after 1212 h on an endurance-test track...