JPS57110933A - Measurement of uniformity of tyre - Google Patents

Measurement of uniformity of tyre

Info

Publication number
JPS57110933A
JPS57110933A JP55185552A JP18555280A JPS57110933A JP S57110933 A JPS57110933 A JP S57110933A JP 55185552 A JP55185552 A JP 55185552A JP 18555280 A JP18555280 A JP 18555280A JP S57110933 A JPS57110933 A JP S57110933A
Authority
JP
Japan
Prior art keywords
shoulder
width
tyre
denotes
distance
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
JP55185552A
Other languages
Japanese (ja)
Other versions
JPS6351261B2 (en
Inventor
Takeshi Yonezawa
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber 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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP55185552A priority Critical patent/JPS57110933A/en
Publication of JPS57110933A publication Critical patent/JPS57110933A/en
Publication of JPS6351261B2 publication Critical patent/JPS6351261B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres
    • G01M17/022—Tyres the tyre co-operating with rotatable rolls
    • G01M17/024—Tyres the tyre co-operating with rotatable rolls combined with tyre surface correcting or marking means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

PURPOSE:To obtain stiffness of both shoulder parts individually by utilizing the outputs of the two pieces of the X-Y load cells on both ends of a load drum axis, the distance between cells, the shortest distance from a shoulder part to the drum axis and the shoulder width. CONSTITUTION:When a tyre 3 is pressed against a drum 1 and rotated, from each loadcell 3a and 3b the output of the components Ra and Rb in the radial direction and of the component La and Lb in the lateral direction is generated to be put into an arithmetic circuit 17, bedies from a soulder width setting part 14 the shoulder width is put in to compute ax={L(Ra-Rb)+2l0(LF)}/2W+ 0.5(RF), bx=-{L(Ra-Rb+2l0(LF)}/2W+0.5(RF) (In the formula, L denotes the distance between the load cells, LF denotes lateral force and RF denotes radial force). Said output ax and bx are put in the servo devices 18a and 18b through a delay circuit 22. From the setting part 14 the sholder width W is put in a grindstone width control device to control the servo devices 18a and 18b for setting the grindstones 20a a nd 20b in the shoulder positions of the tyre.
JP55185552A 1980-12-27 1980-12-27 Measurement of uniformity of tyre Granted JPS57110933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55185552A JPS57110933A (en) 1980-12-27 1980-12-27 Measurement of uniformity of tyre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55185552A JPS57110933A (en) 1980-12-27 1980-12-27 Measurement of uniformity of tyre

Publications (2)

Publication Number Publication Date
JPS57110933A true JPS57110933A (en) 1982-07-10
JPS6351261B2 JPS6351261B2 (en) 1988-10-13

Family

ID=16172799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55185552A Granted JPS57110933A (en) 1980-12-27 1980-12-27 Measurement of uniformity of tyre

Country Status (1)

Country Link
JP (1) JPS57110933A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61231431A (en) * 1985-04-05 1986-10-15 Yokohama Rubber Co Ltd:The Method for measuring tire uniformity
US4984393A (en) * 1987-07-01 1991-01-15 The Uniroyal Goodrich Tire Company Method for tire uniformity correction
EP0599465A1 (en) * 1992-11-20 1994-06-01 General Tire, Inc. Method of correcting radial force variations and lateral force variations in a pneumatic tire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220149U (en) * 1988-07-26 1990-02-09
JPH03113348A (en) * 1989-09-28 1991-05-14 Shimadzu Corp Remote measurement type spectrophotometer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61231431A (en) * 1985-04-05 1986-10-15 Yokohama Rubber Co Ltd:The Method for measuring tire uniformity
JPH0364823B2 (en) * 1985-04-05 1991-10-08 Yokohama Rubber Co Ltd
US4984393A (en) * 1987-07-01 1991-01-15 The Uniroyal Goodrich Tire Company Method for tire uniformity correction
EP0599465A1 (en) * 1992-11-20 1994-06-01 General Tire, Inc. Method of correcting radial force variations and lateral force variations in a pneumatic tire

Also Published As

Publication number Publication date
JPS6351261B2 (en) 1988-10-13

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