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Hitachi Powdered Metals

Hitachi Chemical

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Technical Report(2004)

Cover Photo
Planetary Carrier of Automatic Transmissions for Automobile

The cover shows a newly-developed sintered planetary carrier for use in the planetary gear mechanism of automatic transmissions in automobiles (the units are by courtesy of AISIN AW Co., Ltd.).
Carriers require a complex shape with space for installation of the planetary gears as well as boss and hub parts for input/output. By applying 2-piece sinter-diffusion bonding, it was possible to achieve near-net shape, minimizing post-machining work.
The sinter-diffusion bonding process is a technology in which diffusion bonding is performed simultaneously with sintering utilizing the difference in the dimensional change in the pieces during sintering. Using this process, Hitachi Powdered Metals developed a new sintered-type carrier in which economy is achieved by adopting a simple binder-free process, while excellent positional accuracy between the two pieces is realized by radial bonding.

Preface

Preface
  Page Size
Preface(PDF format)
Professor Hidenori Kuroki
1 (292kbytes)

Review

Review
  Page Size
Properties of Graphite and Progress in Graphite-related Technologies(PDF format)
Minoru Shirahige, Sadao Deyama
3 (616kbytes)

Research Report

Research Report
  Page Size
Development of Sintered Mechanical Fuse Parts for Compressors of Car Air-conditioners
Takashi Suzuki, Tadayuki Tsutsui, Kei Ishii
12 (3,131kbytes)
A Study on the Starting Frictional-Vibrations of Oil-Impregnated Sintered Bearings for Motors of Automobiles
Dr. Motohiro Miyasaka, Hiroshi Sato
17 (474kbytes)
Sintering-Forging Process for Rapidly Solidified Aluminum Alloy Powders
Junichi Ichikawa, Hideo Shikata
25 (510kbytes)
Development of Sintered Electromagnetic Stainless Steel
Dr. Chio Ishihara, Dr. Kazuo Asaka, Koetsu Abe, Yu Maeta
32 (1,506kbytes)
Development of Magnetic Fluid-impregnated Sintered Bearing with Excellent High-speed Rotational Accuracy
Hidekazu Tokushima, Dr. Motohiro Miyasaka
38 (1,132kbytes)

Commentary

Commentary
  Page Size
Planetary Carrier for Automobile Transmissions by Sinter-Diffusion Bonding Process(PDF format)
Eiji Takaya, Dr. Kazuo Asaka, Mitsuhiro Sato
44 (252kbytes)
Construction of Rationalized Compacting-sintering Line for Flexible Production of Machine Parts(PDF format)
Atsushi Hosaka
48 (202kbytes)

New Technologies

New Technologies
  Page Size
  • Compacting Technology for Profiling of Horizontal Holes or Grooves (PDF format)
52 (173kbytes)
  • Sintered Diffusion Bonding with Steel Materials(PDF format)
53 (165kbytes)
  • Heat-resistance Parts Materials with Wear Resistance and Oxidation Resistance under High Temperatures(PDF format)
54 (177kbytes)
  • High-performance PM Hydrodynamic Bearing with Herringbone Pattern(PDF format)
55 (185kbytes)
  • Hitasol GP: Anode Material of Lithium Ion Battery of Improved Charge/Discharge Efficiency(PDF format)
56 (157kbytes)

New Products

New Products
  Page Size
  • Long-life Bearing which Integrates Different Materials Based on Application(PDF format)
57 (156kbytes)
  • Fuel Transfer Pump(PDF format)
58 (58kbytes)
  • Hitasol GA-703: Electro-conductive Adhesive for Batteries and Capacitors(PDF format)
59 (194kbytes)
  • White Grease(PDF format)
60 (225kbytes)

Topics

Topics
  Page Size
  • Establishment of Hitachi Powdered Metals (Dongguan) Co., Ltd., a Chinese Affiliated Company(PDF format)
61 (138kbytes)
  • Award-winning Products (PDF format)
61 (138kbytes)

Plants and Overseas News

Plants and Overseas News
  Page Size
  • HPM Katori Plant (Japan)(PDF format)
63 (113kbytes)
  • BSNA (USA) Bleistahl-STI North America, Inc.(PDF format)
63 (113kbytes)
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