JPH0312531B2 - - Google Patents

Info

Publication number
JPH0312531B2
JPH0312531B2 JP60170240A JP17024085A JPH0312531B2 JP H0312531 B2 JPH0312531 B2 JP H0312531B2 JP 60170240 A JP60170240 A JP 60170240A JP 17024085 A JP17024085 A JP 17024085A JP H0312531 B2 JPH0312531 B2 JP H0312531B2
Authority
JP
Japan
Prior art keywords
screw
screw head
layer
contact
wear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP60170240A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6230016A (ja
Inventor
Shigeaki Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP17024085A priority Critical patent/JPS6230016A/ja
Publication of JPS6230016A publication Critical patent/JPS6230016A/ja
Publication of JPH0312531B2 publication Critical patent/JPH0312531B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • B29C2045/526—Abrasion resistant means in the screw head or non-return device

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP17024085A 1985-08-01 1985-08-01 耐食、耐摩スクリユ−ヘツド Granted JPS6230016A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17024085A JPS6230016A (ja) 1985-08-01 1985-08-01 耐食、耐摩スクリユ−ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17024085A JPS6230016A (ja) 1985-08-01 1985-08-01 耐食、耐摩スクリユ−ヘツド

Publications (2)

Publication Number Publication Date
JPS6230016A JPS6230016A (ja) 1987-02-09
JPH0312531B2 true JPH0312531B2 (OSRAM) 1991-02-20

Family

ID=15901265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17024085A Granted JPS6230016A (ja) 1985-08-01 1985-08-01 耐食、耐摩スクリユ−ヘツド

Country Status (1)

Country Link
JP (1) JPS6230016A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63178119U (OSRAM) * 1986-09-27 1988-11-17
JP2664060B2 (ja) * 1988-04-11 1997-10-15 日立金属株式会社 高性能スクリューヘッド
JP2612069B2 (ja) * 1989-07-10 1997-05-21 住友重機械工業株式会社 射出成形機のシール機構
JPH0542568A (ja) * 1991-08-12 1993-02-23 Japan Steel Works Ltd:The 射出成形機の逆流防止装置
JP5829537B2 (ja) * 2012-02-03 2015-12-09 住友重機械工業株式会社 スクリューヘッド、その製造方法、および射出装置
JP6755290B2 (ja) 2018-11-30 2020-09-16 日本ペイントホールディングス株式会社 吸着装置及び吸盤

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58163221U (ja) * 1982-04-23 1983-10-31 株式会社日本製鋼所 射出成形機の逆流防止装置
JPS59143061A (ja) * 1983-02-07 1984-08-16 Mitsubishi Heavy Ind Ltd スクリユ−の表面処理方法

Also Published As

Publication number Publication date
JPS6230016A (ja) 1987-02-09

Similar Documents

Publication Publication Date Title
US4681817A (en) Piston ring
DE2008753C3 (de) Kolbenring für Brennkraftmaschinen
US20070187061A1 (en) Sleeve for die casting shot tube
US6155705A (en) Extruder screw with coatings of different hardnesses thereon
JP2003088939A (ja) 金属成形機用被覆部材
US4590033A (en) Multi-lobe composite casing for a multi-screw processing machine
US3535006A (en) Bearing construction
JPH0312531B2 (OSRAM)
CN108857268A (zh) 一种高耐磨油压顶杆的加工工艺
US4766042A (en) Plastics processing machine components and alloy for use therein
JP2664060B2 (ja) 高性能スクリューヘッド
JPH0615708A (ja) 射出成形機用高温耐食性バイメタル・シリンダ
KR20210084854A (ko) Cvd 기술을 적용하여 초경재료를 코팅한 알루미늄 압출금형 제조방법
JPH0365321A (ja) 耐食または耐摩スクリューヘッド
JP3285180B2 (ja) 耐食性、耐摩耗性、耐焼付性に優れたスクリュ
JP2630834B2 (ja) プラスチック成形機用バイメタリックシリンダ
CN213368242U (zh) 具有自润滑复合涂层的pcb刀具
JP2520382B2 (ja) 射出成形装置の摺動部における耐摩耗構造の形成方法
JPS61248703A (ja) 耐食，耐摩スクリユ−
US20030049350A1 (en) Check valve assembly for injection molding apparatus
US7252500B2 (en) Check valve assembly for injection molding apparatus
CN216182504U (zh) 一种多金属螺杆
JPH04371820A (ja) 射出または押出成形機
JPS61246031A (ja) 射出成形機の逆流防止装置
JP3891890B2 (ja) ダイカストマシン用プランジャチップ及びその製造方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees