JPS6440160A - Injection speed sensor for die casting machine - Google Patents

Injection speed sensor for die casting machine

Info

Publication number
JPS6440160A
JPS6440160A JP19483687A JP19483687A JPS6440160A JP S6440160 A JPS6440160 A JP S6440160A JP 19483687 A JP19483687 A JP 19483687A JP 19483687 A JP19483687 A JP 19483687A JP S6440160 A JPS6440160 A JP S6440160A
Authority
JP
Japan
Prior art keywords
piston rod
magnetic sensor
gap
speed
fluctuation
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.)
Granted
Application number
JP19483687A
Other languages
Japanese (ja)
Other versions
JP2546682B2 (en
Inventor
Norihiro Iwamoto
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP62194836A priority Critical patent/JP2546682B2/en
Publication of JPS6440160A publication Critical patent/JPS6440160A/en
Application granted granted Critical
Publication of JP2546682B2 publication Critical patent/JP2546682B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To constantly keep the gap between a magnetic sensor and piston rod and to measure a stabilized speed at all times by fixing the magnetic sensor to the floating member displaced by following to only the displacement in the direction orthogonal with the axial line of a piston rod. CONSTITUTION:When a piston rod 5 is projected at high speed by an injection cylinder, the fluctuation in magnetic field is caused, a magnetic sensor element 15 receives a fluctuation at its magnetic field of from the incorporated permanent magnet and a pulse signal is generated. By counting the repeated frequency of the output pulse signal thereof the speed of the piston rod 5, namely the injection speed of the molten metal inside a sleeve is measured. At this time even if the piston rod 5 is swung in the direction orthogonal with the projecting direction in the gap with guide bushes 2, 3, the 1st and 2nd floating members 10, 11 energized in the direction closely fitted to the outer peripheral face thereof is displaced by following up to the swing thereof. The gap C between the magnetic sensor 15 fixed to the 2nd floating member 11 and the outer peripheral face of the piston rod 5 is thus kept at the specified value always.
JP62194836A 1987-08-03 1987-08-03 Injection speed sensor for die casting machine Expired - Lifetime JP2546682B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62194836A JP2546682B2 (en) 1987-08-03 1987-08-03 Injection speed sensor for die casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62194836A JP2546682B2 (en) 1987-08-03 1987-08-03 Injection speed sensor for die casting machine

Publications (2)

Publication Number Publication Date
JPS6440160A true JPS6440160A (en) 1989-02-10
JP2546682B2 JP2546682B2 (en) 1996-10-23

Family

ID=16331074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62194836A Expired - Lifetime JP2546682B2 (en) 1987-08-03 1987-08-03 Injection speed sensor for die casting machine

Country Status (1)

Country Link
JP (1) JP2546682B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6239235A (en) * 1985-08-14 1987-02-20 松下電工株式会社 Manufacture of sound-absorbing board

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315220A (en) * 1976-07-29 1978-02-10 Toshiba Machine Co Ltd Method of measuring speed of injection plunger
JPS54184314U (en) * 1978-06-19 1979-12-27
JPS6440161A (en) * 1987-08-03 1989-02-10 Toshiba Machine Co Ltd Injection speed sensor for die casting machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315220A (en) * 1976-07-29 1978-02-10 Toshiba Machine Co Ltd Method of measuring speed of injection plunger
JPS54184314U (en) * 1978-06-19 1979-12-27
JPS6440161A (en) * 1987-08-03 1989-02-10 Toshiba Machine Co Ltd Injection speed sensor for die casting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6239235A (en) * 1985-08-14 1987-02-20 松下電工株式会社 Manufacture of sound-absorbing board

Also Published As

Publication number Publication date
JP2546682B2 (en) 1996-10-23

Similar Documents

Publication Publication Date Title
KR890700776A (en) Solenoid Device
JPS6440160A (en) Injection speed sensor for die casting machine
ATE223002T1 (en) PRESSURE-ACTUATED CYLINDER-PISTON ARRANGEMENT WITH A MAGNETIC FIELD SENSOR
GB1148444A (en) Speed control system for linear induction motors
GB1393093A (en) Die casting or injection moulding machines
JPS646701A (en) Non-contact displacement detector
JPS54103372A (en) Magnetic sensor
ATE153453T1 (en) INDUCTIVE SENSOR FOR MEASURING THE SPEED OR DIRECTION OF A SHAFT
JPS6440161A (en) Injection speed sensor for die casting machine
GB1452848A (en) Open end spinning machine
WO1993014371A1 (en) Cylinder piston position detection apparatus
JPS5714454A (en) Displacement detector for hot chamber type die casting machine
JPS56122658A (en) Method and device for measuring injection speed of die-casting machine
JPS57156517A (en) Magnetic scale with graduation
DE3879212D1 (en) FOLDING NEEDLE PRINT HEAD PRINT HEAD.
GB1465335A (en) Electrical displacement transducer
JPS5756759A (en) Rotating speed detector for swash plate compressor
JPS6414907A (en) Anisotropic resin magnet
SU523354A1 (en) Induction Speed Sensor
SU622009A1 (en) Induction sensor of machine impact velocity
JPS5421379A (en) Measuring apparatus of intermagnetic pole magnetic fields
JPH043258Y2 (en)
CA2009758A1 (en) Method for monitoring the solidification process during continuous casting
SU697930A1 (en) Linear speed sensor
JPS54106265A (en) Method of locating leading end of rod

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term