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four-slide machine

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Published: 01 January 2006
Fig. 2 Forming operations in a four-slide machine. (a) Power-press tools pierce two holes into strip material at first station. (b) Tools at next press station notch strip on both edges. (c) Notched-and-pierced strip is fed in from press area. As strip motion stops, stock clamp descends so More
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005180
EISBN: 978-1-62708-186-3
... Abstract The multiple-slide machine, sometimes called a four-way, four-slide, or multislide machine, is a somewhat specialized item of stamping equipment, although it is very versatile within a limited area of stamping applications. This article discusses the construction and advantages...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005267
EISBN: 978-1-62708-187-0
.... Die opens and cores, if any, retracts. Casting stays in ejector die until ejector pins push casting out of ejector die. As plunger uncovers filling hole, molten metal flows through inlet to refill gooseneck. Casting Machines In recent years, so-called four-slide machines have become...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005138
EISBN: 978-1-62708-186-3
... straightener, feed mechanism, and stock clamp and has a bed with four or more forming slides, a center post, and a stripper. Traditional machines known as four-slide machines in fact have four separate forming slides. New modern multislide machines may have as many as eleven independent forming slides. Some...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005165
EISBN: 978-1-62708-186-3
..., lettering, forming to shape, and ejecting can be done in one cycle of a multiple-slide machine. Forming is generally limited to bending operations, but the four slides and center post permit the fabrication of very complex parts, as described in more detail in the article “Multiple-Slide Machines...
Image
Published: 01 January 1989
). Bottom row: double-column machines with cross beam and two milling heads (d); cross beam, cross slide, and two milling spindle heads (e); cross beam, cross slide, and four milling spindle heads (f) More
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002147
EISBN: 978-1-62708-188-7
... by the ways. All axial operations are performed by tools mounted in the turret. Tools mounted on the four cross slides can perform, consecutively or simultaneously, operations such as facing, form turning, grooving, or knurling. Fig. 11 Fundamentals of one type of single-spindle automatic bar machine...
Image
Published: 01 January 1989
Fig. 18 End views of the cross slides, end slide, and spindle arrangements for four-spindle (a), six-spindle (b), and eight-spindle (c) machines More
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005115
EISBN: 978-1-62708-186-3
... Abstract This article commences with a description of the four basic types of feeding arrangements, namely, hand feeding, hitch feeds, roll feeds, and slide feeds. Air feeds offer the utility of use with a wide variety of presses and machines. The article discusses the mounting and actuation...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003973
EISBN: 978-1-62708-185-6
..., the load-stroke and velocity-stroke behavior of the slide can be established, at the design stage, by adjusting the length of one of the four links or by varying the connection point of the slider link with the drag link. Thus, with this press it is possible to maintain the maximum load, as specified...
Image
Published: 01 January 2006
Fig. 4 Four arrangements of cutoff blades and dies for multiple-slide forming machines. See text for details. More
Image
Published: 01 December 1998
Fig. 26 Cross section of four-hammer radial forging machine with mechanical drive. (a) Eccentric shaft. (b) Sliding block. (c) Connecting rod. (d) Adjustment housing. (e) Adjusting screw. (f) Hydraulic overload protection. (g) Hammer adjustment drive shafts More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003326
EISBN: 978-1-62708-176-4
... ). Fig. 15 Schematic of sliding bearing test machine. Source: Ref 27 References 28 and 29 came from the same time period as the 1946 symposium and featured hydrodynamic journal bearings tested under cyclical loading or high-speed operation. The aim of these studies was to provide...
Image
Published: 01 January 2005
Fig. 2 Four-hammer radial forging machine with mechanical drive. (a) Cross section through forging box. (b) Longitudinal section through forging box. 1, eccentric shaft; 2, sliding block; 3, connecting rod; 4, adjustment housing; 5, adjusting screw; 6, hydraulic overload protection; 7, hammer More
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... of the wear scar. Four replicate block specimens were tested, each sliding on a new ring. On closer examination of the measurement methods, a number of assumptions and potential sources of error are found. In using weight measurement, it is assumed that the specimens were completely cleaned of wear debris...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... describes the roles of automatic handling equipment that can be categorized as feeding equipment, unloading equipment, and transfer equipment. It concludes with information on the common types of high-production presses, such as dieing machines, multiple-slide machines, transfer presses, fine blanking...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003974
EISBN: 978-1-62708-185-6
... no-load conditions n 0 , the machine energy E M , and the deformation energy E p required by the process influence the slide velocity under load V p and the number of strokes under load n p ; n p determines the maximum number of parts formed per minute (the production rate) if the feeding...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
.... Modified Four-Ball Machine A model contact consisting of three lower balls driven by a fourth contacting upper ball simulates conditions within a standard deep-groove ball bearing. The upper ball models the bearing race, while the cup simulates the bearing outer race, and the three planetary balls...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003980
EISBN: 978-1-62708-185-6
..., placing movement of the slides under operator control. Fig. 2 Principal components of a typical machine for hot upset forging with a vertical four-station die Upset forging machines use three die elements to perform their forging function. Two gripper dies are used (one stationary and one...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... and sliding bearings. This article discusses failures of sliding bearings. A bearing failure lowers efficiency, increases energy loss, degrades performance, and increases environmental pollution. Failure costs are generally high, because it includes machine downtime costs, bearing cost, and disassembly...