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draft angle

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Published: 15 May 2022
Fig. 28 Draft angles in injection molding More
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... design, it is often omitted or improperly specified. Most plastic design books use overly simplified illustrations to describe draft angles. Unfortunately, this presentation often leads designers to assume that including draft in the part geometry is easy and somewhat of a menial task. This assumption...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... the part. However, rotational molding is the forming process with the absolute least molded-in residual stresses from the process. Draft Generally accepted industry practices suggest that draft angles of 1.5 to 2 degrees per side can be used for materials such as PP or HDPE, with larger draft...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... angle of the screw is also larger in the second stage to create a more rapid forward movement of the polymer melt than in the first stage. This creates a zero-pressure region in the extraction zone. The barrel has a vent port above the extraction zone so that volatiles can escape and are not forced...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001584
EISBN: 978-1-62708-236-5
... bottom, effectively crimping the wall near the 10 and 4 o'clock positions. Many sparger bottom pieces retained their original tube curvature. The lower portions of the outer shell of the neutralizer and the draft tube were shielded partially during detonation by the liquid AN that did not detonate...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... and scrubber. The syngas with entrained slag exited the combustion chamber through two concentric tubes, called the dip tube (inner) and the draft tube (outer), which were submerged at their lower end in the quench water. Because of the presence of water and since the draft tube is longer than the dip tube...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
.... To address the fretting that occurred between the inner seal wear ring and the axle journal, a uniquely designed seal wear ring was introduced to the market. At the time of introduction, there were several iterations of the lead angle of the seal wear ring. The lead-in angle is the angle of the chamfer...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... to a casting surface, in re-entrant angles Fillet scab A 115 Thin metallic projection located at a re-entrant angle and dividing the angle in two parts Fillet vein A 120: Metallic projections in the form of fins with changes in principal casting dimensions A 123 (a) Formation of fins...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... released the torque spring when it had been wound to a predetermined angle. The trigger could be attached at several positions, allowing the spring to be torqued to angles of from 105 to 280°. Upon release, the energy stored in the spring rotated the shaft and hammer until the hammer struck the anvil...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... geometry (included angle or root opening too small) Improper backgouging (narrow or shallow) Unbalanced heat input To prevent cracking in multiple-pass groove or fillet welds: Increase bead size of the first pass by using lower travel speed, a short arc, and an uphill (∼5°) welding mode...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... Insufficient weld bead cross section (particularly in the first pass) Improper fit-up Low weld current Incorrect electrode diameter Improper polarity Improper joint geometry (included angle or root opening too small) Improper backgouging (narrow or shallow) Unbalanced heat input Some...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4