GB/T 4517-2013 English PDF

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GB/T 4517-2013: Household sewing machine -- Determination of directional stability
Status: Valid

GB/T 4517: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4517-2013	139	Add to Cart	3 days	Household sewing machine -- Determination of directional stability	Valid
GB/T 4517-1995	199	Add to Cart	2 days	Household sewing machines--Determination of directional stability	Obsolete
GB/T 4517-1984	RFQ	ASK	3 days	Household sewing machines--Determination of directional stability	Obsolete

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Basic data

Standard ID: GB/T 4517-2013 (GB/T4517-2013)
Description (Translated English): Household sewing machine -- Determination of directional stability
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y17
Classification of International Standard: 61.080
Word Count Estimation: 6,684
Older Standard (superseded by this standard): GB/T 4517-1995
Quoted Standard: GB/T 406-2008; QB/T 1514-2011
Adopted Standard: ISO 4817-1984, NEQ
Regulation (derived from): National Standards Bulletin 2013 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the materials and appliances for household sewing machines - feeding directional stability test methods of sewing, test methods, test requirements and test reports, without stringing state. This standard applies to motor driven hou

GB/T 4517-2013: Household sewing machine -- Determination of directional stability

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Household sewing machine. Determination of directional stability ICS 61.080 Y17 National Standards of People's Republic of China Replacing GB/T 4517-1995 Household Sewing Machines Directional stability test methods (ISO 4817. 1984, NEQ) Issued on. 2013-12-31 2014-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 4517-1995 "Test Method for directional stability." This standard compared with GB/T 4517-1995, the main changes are as follows. --- Original standard "Normative references" has been modified, citing the latest versions of these documents; --- Original standard "sample" to "sewing material." The standard reference method using redrafted ISO 4817. 1984 "Household sewing machines directional stability (offset) Test Method" Program System, and ISO 4817. 1984 is not equivalent degree of consistency. The standard proposed by China National Light Industry Council. This standard by the China Sewing Machinery Standardization Technical Committee (SAC/TC152) centralized. Drafting of this standard. National Sewing Machine Quality Supervision and Inspection Center, Shanghai Institute of sewing machines, sewing machine Zhejiang new shares leap Limited copies. The main drafters of this standard. Wang Weigang, Zhang Weiqing, Yepu Chang. This standard was first published in 1995. Household Sewing Machines Directional stability test methods

1 Scope

This standard specifies the home sewing machine in the state without threading sewing material feed direction and appliance stability test method of sewing, the test The method of testing requirements and test reports. This standard applies to household sewing machine motor drive can also be used manually or foot operated home sewing machine.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 406-2008 qualities of cotton cloth QB/T 1514-2011 household sewing machine needles

3 sewing materials and appliances

3.1 sewing materials According to GB/T 406-2008 specified in plain cloth (in particular), which was cut without wrinkles sewing material 10, and its length 200mm, width 60mm. Side must warp direction, in the middle of sewing materials draw a flag color line, with the long edge of sewing material parallel. 3.2 Needle Press QB/T 1514-2011 specified in Nm80 needle. 3.3 graph paper In millimeters No. 4 graph paper, central opening, the dispensing mechanism and presser foot feed movement is not impeded. 3.4 appliance Accuracy of 0.02mm vernier caliper. Test Method 4 4.1 Testing principle Each machine under test should be tested five times, can be formed for the Z-shaped seam household sewing machines, first with straight seam test 5 times, then After adjusting to the Z-shaped seam, then test five times. Calculates the average offset P. 4.2 Test Conditions 4.2.1 in accordance with the manufacturer's instructions using the provisions, and fitted seams corresponding random supply needle and the presser foot. ......

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