By visiting this site, you accept the use of cookies. More about our cookie policy.

GOST 2387-80

GOST R ISO 22034-1-2013 GOST R ISO 22034-2-2013 GOST P 53772-2010 GOST 5468-88 GOST 1579-93 GOST 10447-93 GOST 3187-76 GOST 9870-61 GOST 4034-63 GOST 4032-63 GOST 4028-63 GOST 792-67 GOST 16135-70 GOST 3920-70 GOST 9850-72 GOST 7675-73 GOST 18901-73 GOST 3062-80 GOST 3093-80 GOST 1526-81 GOST 2771-81 GOST 3875-83 GOST 3071-88 GOST R 50575-93 GOST P 50708-94 GOST 4033-63 GOST 13840-68 GOST 15598-70 GOST 3090-73 GOST 3110-74 GOST 3339-74 GOST 3120-75 GOST 283-75 GOST 10505-76 GOST 14963-78 GOST 14081-78 GOST 7372-79 GOST 5663-79 GOST 1545-80 GOST 3092-80 GOST 9161-85 GOST 29121-91 GOST 18143-72 GOST 1668-73 GOST 7480-73 GOST 7676-73 GOST 3193-2015 GOST 2715-75 GOST 10506-76 GOST 7669-80 GOST 2333-80 GOST 7668-80 GOST 3069-80 GOST 7667-80 GOST 2688-80 GOST 3089-80 GOST 3081-80 GOST 6727-80 GOST 3083-80 GOST 3091-80 GOST 7665-80 GOST 3077-80 GOST 2387-80 GOST 3064-80 GOST 3063-80 GOST 7348-81 GOST 5437-85 GOST 14118-85 GOST 23279-2012 GOST 14311-85 GOST 9074-85 GOST 3068-88 GOST 13603-89 GOST P 50566-93 GOST 4030-63 GOST 4035-63 GOST 4029-63 GOST 15892-70 GOST 11850-72 GOST 18899-73 GOST 6750-75 GOST 3088-80 GOST 10446-80 GOST 14954-80 GOST 7681-80 GOST 3079-80 GOST 3066-80 GOST 3097-80 GOST 3085-80 GOST 8478-81 GOST 4727-83 GOST 18834-83 GOST 26366-84 GOST 9124-85 GOST 3067-88 GOST 3070-88 GOST 3306-88 GOST 8803-89 GOST 17305-91 GOST P 50567-93 GOST 9389-75 GOST 2172-80 GOST 1071-81 GOST 3826-82 GOST 16853-88 GOST 12766.1-90 GOST 3241-91 GOST 16828-81 GOST 285-69 GOST 6613-86 GOST 28334-89 GOST 16827-81 GOST 5336-80 GOST 3282-74

GOST 2387−80 steel wire Rope. Methods of fatigue testing

GOST 2387−80
Group В79

STATE STANDARD OF THE USSR

STEEL WIRE ROPE

A method of fatigue testing

Steel Ropes.
Method of Endurance testiry

Valid from 01.01.82
before 01.01.87*
_______________________________
* Expiration removed
Protocol N 7−95 Interstate Council
for standardization, Metrology and certification
(IUS N 11, 1995). — Note the CODE.

DEVELOPED by the Ministry of ferrous metallurgy of the USSR

PERFORMERS

I. V. Barysheva, E. S. Chugunova

INTRODUCED by the Ministry of ferrous metallurgy of the USSR

APPROVED AND put INTO EFFECT by Decision of the USSR State Committee for standards, 28 March 1980 N 1418

REPLACE GOST 2387−44

This standard specifies a method of fatigue testing of steel ropes with a diameter of 6.0 mm or less, and steel cord.

1. SAMPLING


The sample length of the rope should be at least 4 m.

2. EQUIPMENT

2.1. The test is carried out on the machine diagram is shown in hell.1.

Damn.1

ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость

Damn.1

2.1.1. For simultaneous testing two or more samples of the machine can be with two-sided location of the samples. The samples on the machine can be located in one or more series. In this case, replacement and cargo rollers cargo must be independent for each sample.

2.1.2. Leading drum 1 must carry out oscillatory movements at a rate of 120 oscillations per minute and to provide the reciprocating movement of the specimen at a length of about 350 mm.

2.1.3. Replacement rollers 4 of a certain diameter (depending on the requirements for rope requirements) must ensure that the bending of the sample by 90°.

2.1.4. A cargo roller 5 should be free to lie on the sample. The cargo must create a certain tension of the branches of the specimen.

2.1.5. To account for the number of bends of the sample, the machine must have a meter. One bend sample corresponds to one rotation of the driving drum in the same direction.

2.1.6. 2 clips for fastening the ends of the specimen 3 to the drum should be strong and should not allow loosening and damaging of the specimen during the test.

2.1.7. The groove profile and basic dimensions of the replacement roller must match the features.2. During the test of steel cord change the parameters of a replaceable roller in accordance with the normative-technical documentation for steel cord.

Damn.2

ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость

Damn.2


ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость — diameter replacement roller groove, mm. ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость(rounded to 1.0 mm);
ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость — conditional value of the sample diameter of rope, mm; ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость(rounded to the nearest 0.1 mm);
ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость — the maximum value of the sample diameter of rope, mm maximum deviations on the main
the dimensions of the replacement roller must not be more than ±0,2 mm ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость; ±0.5 mm for a ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость; 0.1 mm for ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливость.

2.1.8. Replacement rollers shall be made of steel and should have a hardness of 60−62 units on a scale With GOST 9013−59.

2.1.9. The roughness parameter of the surface groove replacement roller ГОСТ 2387-80 Канаты стальные. Методы испытания на выносливостьshould be from 1.25 µm to 0.63 µm according to GOST 2789−73.

2.1.10. Replacement rollers should be mounted on ball bearings and together with the latter should be easily replaced. During operation of the machine these rollers should not have a skew and lateral displacement.

2.1.11. A cargo roller must be mounted on ball bearings and have a device for easy and convenient hanging of the goods to him.

2.1.12. During operation of the machine should not happen, bias truck roller and friction of the sample on the side walls of the groove of the roller.

2.1.13. The mutual positions of the terminals of the ends of the specimen on the master drum and replacement of rollers should not cause friction on side walls of replaceable rollers.

3. PREPARING FOR THE TEST

3.1. The ends of sample of the rope to prevent arbitrary raspletanie front hitch on the car should be tied with soft wire or welded.

3.2. The sample before testing should be rubbed dry.

4. TESTING

4.1. The machine set of interchangeable rollers, one end of the sample is strengthened in the clip, located in part of the driving drum facing in the opposite direction from the indexable roller side. The second end of the sample is passed through replaceable upper roller, unloaded a cargo roller and the lower roller replaceable and secured to the clamp located in the same part of the driving drum.

To the cargo roller suspended load. The sum of cargo weight and cargo roller should be equal to twice the tension of the branches of the rope specified in the standard for the rope.

4.2. Before the test the meter should be set to zero.

4.3. Grooves replacement of the rollers during the test shall be clean and dry. Lubrication of the specimen and grooves replaceable rollers is not allowed.

4.4. The test shall be conducted without interruption. In the simultaneous test on the machine a few samples allowed to stop the machine to remove or replace the sample, test which finished.

4.5. Depending on the requirements of the standards for steel products test performed:

to the breakage of the first wire (complete) sample;

to a given number of wire breaks on a length of one pitch of the stranding of the sample;

to a given number of bends the sample around a replaceable roller;

to the complete destruction of the sample rope.


The text of the document is verified by:
the official publication of the
M.: Publishing house of standards, 1980