GB/T 5580-2001 Electric drill

This standard specifies the basic parameters, types, technical requirements, test methods and inspection rules of electric drills. This standard applies to continuous and fixed-rate handheld AC/DC dual-purpose electric drills and one-way series electric drills for drilling holes in metals, plastics and other materials under normal environmental conditions. This standard does not apply to dual-speed, multi-speed, electronic speed regulation and permanent magnet DC electric drills, nor does it apply to impact electric drills and multi-purpose electric drills. GB/T 5580-2001 Electric Drill GB/T5580-2001 Standard Download Decompression Password: www.bzxz.net

ICS25.140.20
National Standard of the People's Republic of China
GB/T5580—2001
Electric drills
2001-11-02 Issued
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
2002-06-01 Implementation
GB/T5580--2001
Cited standards
Basic parameters and types
Technical requirements
Test methods
Inspection rules...
Marking and packaging
Warranty period and accessories
GB/T5580—2001
This standard is the first revision of GB/T5580-1995 "Electric drills". This standard complies with GB3883.6-1991 "Safety of Hand-held Electric Tools Part 2: Special Requirements for Electric Drills (for Certification)" (idtIEC60745-2-1:1989) and is used in conjunction with GB3883.6. This standard adds relevant provisions on electromagnetic compatibility 4.7.2, 4.7.3, 5.5, 5.6. Chapter 2 and 8.1 are modified. This standard is proposed by the China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Electric Tool Standardization Technical Committee. The drafting unit of this standard: Shanghai Electric Tool Research Institute. The main drafters of this standard: Liu Jiang, Zhu Jianping, Luo Xuanqiang, Fang Lianyu. 1 Scope
National Standard of the People's Republic of China
Electric drills
GB/T55802001
Replaces GB/T5580—1995
This standard specifies the basic parameters, types, technical requirements, test methods and inspection rules of electric drills. This standard applies to continuous and fixed-rate hand-held AC/DC dual-purpose electric drills and single-phase series-excited electric drills (hereinafter referred to as electric drills) for drilling holes in metals, plastics and other materials under normal environmental conditions. This standard does not apply to dual-speed, multi-speed, electronic speed regulation and permanent magnet DC electric drills, nor does it apply to impact electric drills and multi-purpose electric drills. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB755-2000 Ratings and performance of rotating electrical machines (idtIEC60034-1:1996) GB2099.1-1996 Plugs and sockets for household and similar purposes Part 1: General requirements (egIEC884:1994) GB3883.6-1991 Safety of hand-held electric tools Part 2: Particular requirements for electric drills and impact drills (for certification) (idtIEC60745-2-1:1989)
GB4343-1995 Measurement methods and allowable values ​​of radio interference characteristics of household and similar electric and heating appliances, electric tools and similar electrical appliances (eqvCISPRNo.14:1993) GB/T4583-1995 Engineering method for measurement of noise of electric tools (egvISO3700:1980) GB5013.4-1997 Rubber insulated cables with rated voltage 450/750V and below Part 4: Flexible cord and flexible cables (idtIEC245-4:1994)
GB5023.5-1997 Polyvinyl chloride insulated cables with rated voltages up to and including 450/750V Part 5: Flexible wires (idtIEC227-5:1979)
GB/T9088—1988 Method for compiling electric tool models GB17625.1—1998
Harmonic currents emitted by low-voltage electrical and electronic equipment Limit value (equipment input current per phase <16A) (eqvIEC61000-3-2:1995)
Electromagnetic compatibility limit values ​​for voltage fluctuations and flicker generated by equipment with rated current not exceeding 16A in the low-voltage power supply system (idtIEC61000-3-3:1994) 3 Basic parameters and types
3.1 The basic parameters of the electric drill shall comply with the provisions of Table 1. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on November 2, 2007, and implemented on June 1, 2002
Electric drill specifications
GB/T5580—2001
Table 1 Basic parameters
Rated output power
≥160
≥230
≥200
≥320
≥320
≥400
≥400
≥400
≥500
Note: Electric drill specifications refer to the maximum drill bit diameter allowed for electric drills when drilling steel with a tensile strength of 390MPa. 2 The basic series of electric drill models should comply with the provisions of GB/T9088, and their meanings are as follows: 3.2
2-00-00
Rated torque
Maximum drilling diameter, represented by Arabic numerals Type A, Type B and Type C are represented by A, B and C (specification code) Design serial number
Design unit code
Electric drill (product code)
Power supply category code
Metal cutting category (major category code)
3.3 Types of electric drills
3.3.1 According to the type of power supply, they are divided into:
a) single-phase AC electric drill;
b) DC electric drill;
c) AC/DC dual-purpose electric drill.
3.3.2 According to the basic parameters and uses of electric drills, they are divided into: a) Type A (ordinary) electric drills
GB/T5580—2001
Mainly used for drilling holes in ordinary steel, and can also be used for drilling holes in plastics and other materials. It has high drilling productivity, strong versatility, and is suitable for general manual laborers.
b) Type B (heavy) electric drills
The rated output power and torque of the Type B electric drill are larger than those of the Type A. It is mainly used for drilling holes in high-quality steel and various steels. It has high drilling productivity. The Type B electric drill has a reliable structure and can apply a large axial force. c) Type C (light) electric drills
The rated output power and torque of the Type C electric drill are smaller than those of the Type A. It is mainly used for drilling holes in non-ferrous metals, cast iron and plastics, and can also be used for drilling ordinary steel. The Type C electric drill is light, simple in structure, and cannot be used with strong force. 3.3.3 According to the requirements for suppressing radio and television interference, it is divided into: a) Electric drills without suppression requirements for radio and television interference; b) Electric drills with suppression requirements for radio and television interference. 3.3.4 According to the protection against electric shock, it is divided into:
a) Class I electric drills;
b) Class I electric drills:
c) Class II electric drills.
4 Technical requirements
4.1 General requirements
4.1.1 Electric drills should be manufactured according to drawings and technical documents approved by the prescribed procedures. 4.1.2 Electric drills should be able to operate at rated speed under the following environmental conditions; a) Altitude not exceeding 1000m;
b) Ambient air temperature not exceeding 40℃;
c) Relative air humidity not exceeding 90% (25℃); d) The air does not contain flammable, explosive and corrosive gases and dust. 4.1.3 The power supply conditions applicable to electric drills are as follows:
a) AC/DC dual-purpose electric drills shall be able to operate at rated speeds under DC and single-phase AC power supplies with actual sinusoidal waveforms and rated frequencies;
b) Single-phase direct-excitation electric drills shall be able to operate at rated speeds under single-phase AC power supplies with actual sinusoidal waveforms and rated frequencies. 4.1.4 Rated voltage and frequency of electric drills:
a) DC rated voltage 220V, 110V:
b) AC rated voltage 220V, 110V, 42V, 36Vc) AC rated frequency 50Hz.
4.2 Safety of electric drills
4.2.1 The safety of electric drills shall comply with the provisions of GB3883.6, except for the provisions that have been supplemented and improved in this standard. The plug of the electric drill shall comply with the provisions of GB2099.1. The plug of Class I electric drills should be made into one piece with the power cord, and its insulation should be able to withstand a voltage withstand test with a waveform of an actual sine wave, a frequency of 50Hz, and a voltage value of 3750V for 1 minute, and no breakdown or surface flashover should occur. 4.2.2 The soft cable or cord connecting the electric drill to the power supply should comply with the provisions of GB5013.4 and GB5032.5, or use a soft cable or cord with performance not lower than that of GB5013.4 and GB5023.5. 4.3 Appearance quality of electric drills
4.3.1 The plastic shell of the electric drill should not have serious defects such as bubbles, cracks, obvious burn spots and cold insulation. 4.3.2 The metal shell of the electric drill should have no obvious defects. 4.3.3 The coating of the electric drill shell should not have delamination or peeling. 3
GB/T5580—2001
4.3.4 The nameplate of the electric drill should be firmly placed on the shell without curling. 4.4 Drill shaft of the electric drill
4.4.1 Conical drill shaft of the electric drill
4.4.1.1 The effective working length of the cone surface of the electric drill shall not be less than 65%. 4.4.1.2 The radial runout of the drill shaft shall meet the following requirements: a) The outer cone shall not be greater than 0.04mm.
b) The inner cone shall not be greater than 0.06mm.
4.4.2 Threaded drill shaft of the electric drill
The electric drill is allowed to use a threaded drill shaft.
4.5 Initial starting current
The initial starting current of the electric drill shall not exceed 7 times the rated current value. 4.6 Noise
The average value of the no-load noise sound pressure level (A-weighted) of the electric drill measured at a spherical surface 1000mm away from the center of the electric drill shall not exceed the allowable value specified in Table 2.
Table 2 Noise Allowable Values
Electric Drill Specifications
Noise Value
4.7 Electromagnetic Compatibility
4.7.1 Radio and Television Interference Level
a) The continuous interference voltage level values ​​of the phase or neutral line to the ground measured in the frequency range of (0.15～30)MHz shall not exceed the allowable values ​​specified in Table 3.
0.15~0.35
0.35~5.00
5.00~30.00
Table 3 Continuous interference voltage
Interference voltage
dB(μ)
Decreases linearly with the logarithm of frequency
b) The continuous interference power level value radiated by the power line and absorbed by the absorbing clamp measured in the frequency range of (30~300)MHz shall not exceed the allowable value specified in Table 4.
30~300
4.7.2 Harmonic current
Table 4 Continuous interference power
Interference power
dB(pW)
Increases linearly with frequency45 to 55
a) The steady-state harmonic current of the electric drill shall not exceed the limit value specified in Table 5. Odd harmonics
Even harmonics
GB/T5580—2001
Table 5 Steady-state harmonic current limits
Harmonic order n
Maximum allowable harmonic current
0.225×15/n
0.345×8/n
b) For (210)th even harmonics and (3~19)th odd harmonics, the transient harmonic current value allowed to be no more than 15s in any 2.5min observation period is 1.5 times the steady-state harmonic current limit specified in Table 5. 4.7.3 Voltage fluctuation and flicker
When the electric drill is connected to the low-voltage power grid, the voltage fluctuation value and flicker value caused by it shall comply with the following provisions: P. value shall not be greater than 1.0;
Pi value shall not be greater than 0.65;
Steady-state relative voltage change d. No more than 3%; the maximum relative voltage change dmax does not exceed 4%; the voltage change characteristic value d(t) does not exceed 3% in 300ms. If the voltage change is caused by a manual switch or the frequency is less than once per hour, P. and Pi are not assessed. The steady-state relative voltage change value de, the maximum relative current change dmx, and the voltage change characteristic value d(t) should be multiplied by a coefficient of 1.33. 4.8 Commutation spark
At rated voltage, the spark under the brush of the electric drill at no load and rated load should not be greater than level 2 specified in GB755. 4.9 Input power and current
4.9.1 At rated voltage and rated load, the measured input power value of the electric drill should not be greater than 120% of the input power value indicated on the nameplate. 4.9.2 If the current value is marked on the nameplate of the electric drill, the measured current value at rated voltage and rated load should not be greater than 120% of the current value indicated on the nameplate.
4.10 Temperature rise
Under rated load, the temperature rise of the electric drill shall not exceed the limit specified in Table 6. Table 6 Temperature rise limit
E-class insulation winding
B-class insulation winding
F-class insulation winding
Housing not held in normal use
Handle held continuously in normal use
Buttons and similar parts:
Note: When the altitude of the test site or the place of use is different from the specified environmental conditions, the correction of the winding temperature rise limit shall be carried out in accordance with the provisions of GB755. K
4.11 Overtorque
GB/T5580—2001
After the electric drill is subjected to an overtorque test of 1.5 times the rated torque for 15s in a hot state, the electric drill shall be able to operate normally. 4.12 Locked-rotor
After the electric drill is subjected to a 3s locked-rotor test in the actual cold state, the electric drill shall be able to operate normally. 4.13 Length of power cord
The length of the flexible cable or cord from the cable entry hole to the plug (excluding the pins) shall be no less than 2.5m. 4.14 Rust prevention
The screws in the electric drill shall be surface treated, and the steel brush springs and grounding screws, washers and other parts shall be able to withstand the rust prevention test. 5 Test method
5.1 Appearance inspection
The appearance quality of the electric drill shall be inspected by observation and manual test. The inspection results shall comply with the provisions of 4.3.
5.2 Drill shaft inspection
5.2.1 Inspection of effective working length of conical surface
5.2-1.1 External cone
On the working length of the conical surface, apply the colorant along the axis to form a uniform thin layer, then put on a standard conical ring gauge of ordinary accuracy with the same taper as the drill shaft, grind several times, and the relative rotation angle should not exceed 90°. Take out the ring gauge and measure the length of the colorant on the drill shaft. The measurement result should meet the requirements of 4.4.1.1. 5.2.1.2 Internal cone
On the working length of the conical surface, apply the colorant along the axis to form a uniform thin layer, then insert a standard conical plug gauge of ordinary accuracy without flat tail with the same taper as the internal cone, grind several times, and the relative rotation angle should not exceed 90°. Take out the plug gauge and measure the length of the colorant on the plug gauge.
The measurement result should meet the requirements of 4.4.1.1.
5.2.2 Fix the electric drill on a rigid support. When the drill shaft is an external cone, use a dial indicator to measure. When the drill shaft is an internal cone, use a spring lever dial indicator to measure.
The measuring point is about 5mm away from the outer end of the drill shaft. When measuring, the drill shaft should have no axial movement. The electric drill is connected with low voltage or other appropriate methods to make the drill shaft rotate slowly for three circles. The average value of the difference between the maximum and minimum values ​​on the dial indicator is the radial runout value. The measurement result should meet the requirements of 4.4.1.2. 5.3 Noise test
The noise test of the electric drill shall be carried out in accordance with the provisions of GB/T4583. The test results shall meet the requirements of 4.6.
5.4 Measurement of radio and television interference level The measurement of radio and television interference level of the electric drill shall be carried out in accordance with the provisions of GB4343. When measuring, the electric drill shall be continuously operated without load with the drill chuck.
The test results shall meet the requirements of 4.7.1.
5.5 Harmonic current measurement
The harmonic current measurement of the electric drill shall be carried out in accordance with the provisions of GB17625.1. During the measurement, the electric drill shall be operated continuously without load with the drill chuck. The measurement results shall comply with the provisions of 4.7.2.
5.6 Voltage fluctuation and flicker measurement
The voltage fluctuation and flicker measurement of the electric drill shall be carried out in accordance with the provisions of GB17625.2. During the measurement, the electric drill shall be operated continuously without load with the drill chuck. The measurement results shall comply with the provisions of 4.7.3.
5.7 Commutation spark inspection
GB/T5580—2001
The electric drill shall be operated without load for 15 minutes at rated voltage. When the electric drill is without load and during the test of 5.9, the sparks under the brush shall be observed. During the inspection test, only the commutation sparks during the no-load operation shall be checked. The inspection results shall comply with the provisions of 4.8.
5.8 Measurement of input power, current and working parameters Under rated voltage, the applied torque of the electric drill reaches the minimum value of the rated torque specified in Table 1. If the output power at this time has not reached the minimum value of the rated output power specified in Table 1, continue to increase the load of the electric drill to make the output power of the electric drill reach this value (when the specified rated output power and rated torque are greater than the minimum value specified in Table 1, use the same method to load according to the specified rated output power or rated torque).
After the electric drill runs for 15 minutes, measure the input power, current, torque and output power of the electric drill. For ear-type electric drills, care should be taken to keep the voltage at the plug at the rated voltage value during measurement, and the line loss between the plug and the power meter should be deducted from the input power.
The test results should comply with the provisions of 3.1 and 4.9. 5.9 Temperature rise test
5.9.1 Applied load
Under rated voltage, the electric drill is subjected to the load of 5.8. If the input power at this time is less than 4/5 of the input power indicated on the nameplate, increase the torque to make the input power equal to 4/5 of the input power on the nameplate. This torque is used as the load for the temperature rise test of the electric drill. 5.9.2 Running time
Under the conditions specified in 5.9.1, run continuously until the temperature rise of each part of the electric drill reaches the actual stable state. 5.9.3 Method for measuring temperature rise
After the temperature rise of each part of the electric drill reaches the actual stable state, the temperature rise of the winding is measured by the resistance method, and the temperature rise of other parts is measured by the thermometer method. The test results shall comply with the provisions of 4.10.
5.10 Over-torque test
When the temperature rise of the electric drill reaches the actual stable state, at the rated voltage, make the applied torque reach 1.5 times the load torque determined in 5.8, and the test lasts for 15s.
The test results shall comply with the provisions of 4.11.
5.11 Blocked-rotor testbZxz.net
In actual cold state, block the rotating part of the electric drill in advance, then apply rated voltage, release it after 3s, and then run it at no-load for 30s at rated voltage to check whether the electric drill is normal. The test results shall comply with the provisions of 4.12.
5.12 Measurement of initial starting current
When performing the blocked-rotor test in 5.11, measure the initial starting current value. The measurement results shall comply with the provisions of 4.5.
5.13 Withstand voltage test for Class 1 electric drill plugs
Attach metal foil to the knob on the outer surface of the plug body, and then apply a test voltage of 3750V between the pin and the metal foil for 1min.
The test results shall comply with the provisions of 4.2.2.
5.14 Inspection and length measurement of power cord
Measure the length of the power cord from the power cord inlet of the electric drill to the plug (excluding the pins), and check the specifications of the power cord. The measurement and inspection results should comply with the provisions of 4.13 and 4.2.3. 5.15 Other test methods
All other test methods not specified in this standard shall be carried out in accordance with the corresponding provisions of GB3883.6. 6 Inspection rules
GB/T5580—2001
6.1 Each electric drill must be tested and qualified by the quality inspection department before it can be shipped out of the factory, and documents proving the quality of the product should be attached when it leaves the factory. 6.2 The items specified in this standard are type test items, among which those marked with "*\" are inspection test items; after the product is finalized, if the structure and materials have not changed, the items marked with "**" may not be carried out in the subsequent type test, and the tests shall be carried out in the following order. Appearance inspection"
Marking inspection*
Electric shock protection inspection·.
Drill shaft inspection
Noise test
Radio and television interference level measurement
Harmonic current measurement
Voltage fluctuation and flicker measurement
Starting test
Commutation spark inspection
Input power, current and working parameter measurementTemperature rise test
Over-torque test
Leakage current measurement||t t||Stalling test
Initial starting current measurement
Moisture proof test
Insulation resistance measurement
Withstand voltage test:
Durability test
Abnormal operation test
Mechanical hazard inspection"
Mechanical strength inspection
Grounding device inspection
Structural inspection"·
Internal wiring inspection
Component test·
Power cord length inspection
Power connection inspection
Flexible cable or cord pulling force and torsion testFlexible cable or cord and sheath bending test·External wire terminal inspection"·
Screw and connection inspection
Creep distance, electrical clearance and insulation penetration distance inspection Check the heat resistance, flame retardancy and anti-leakage trace test: * Anti-rust test
6.3 Inspection method
6.3.1 The test shall be carried out in the order of the test items listed in 6.2. 8
GB/T5580-2001
6.3.2 The test items shall be carried out on the same prototype and shall pass all tests. If it is necessary to disassemble the prototype for relevant tests, another prototype may be added.
7 Marking and packaging
7.1 The nameplate of the electric drill shall be marked with the following items: a) Product name, electric drill;
b) Electric drill model:
c) Maximum diameter of holes drilled on steel, mm; d) Rated voltage, V,
e) Power supply type symbol;
f) Rated input power rate W; or rated current, A; g) rated speed r/min (for electric drills with no-load speed exceeding 10,000 r/min, the rated no-load speed value shall be marked with the symbol n in front);
h) Class 1 structural symbol (only for Class 1 electric drills); i) moisture resistance symbol (marked only when required); j) manufacturer's name or trademark;
k) factory batch code.
7.2 When leaving the factory, the drill shaft of the electric drill shall be temporarily protected by anti-rust coating and sealing. 7.3 Each electric drill shall be accompanied by the following documents when leaving the factory: 7.3.1 Product certificate.
7.3.2 Instructions for use and maintenance.
The instructions shall include the following contents:
a) Relevant descriptions of the characteristics and uses of the electric drill of this model. b) There should be an independent chapter to explain the safety technical requirements for the use of electric drills, including matters that must be paid attention to, possible dangers and corresponding preventive measures. For Class I electric drills, it should be specified that a residual current operated protector must be used. c) Matters related to maintenance.
7.4 The packaging, transportation and storage of electric drills should comply with relevant regulations. 8 Warranty period and accessories
8.1 Warranty period
If the user transports, stores and uses the electric drill correctly in accordance with the provisions of the electric drill manufacturer's operating and maintenance instructions, the manufacturer shall repair and replace the electric drill free of charge within the warranty period specified by the manufacturer if it is damaged or fails to work normally due to poor manufacturing quality.
8.2 Accessories
When electric drills with a specification of 13mm or less leave the factory, they should be accompanied by a drill chuck of corresponding specifications.
Drill shaft inspection
Noise test
Measurement of radio and TV interference levels
Measurement of harmonic currents
Measurement of voltage fluctuations and flicker
Starting test
Commutation spark inspection
Measurement of input power, current and operating parametersTemperature rise test
Overtorque test
Leakage current measurement
Stuck rotor test
Initial starting current measurement
Moisture resistance test
Insulation resistance measurement
Withstand voltage test:
Durability test
Abnormal operation test
"Mechanical hazard inspection"
Mechanical strength inspection
Grounding device inspection||t t||Structural inspection"·
Internal wiring inspection
Component test·
Power cord length inspection
Power connection inspection
Flexible cable or cord pulling force and torsion testFlexible cable or cord and sheath bending test·External wire terminal inspection"·
Screw and connection inspection
Creep distance, electrical clearance and insulation penetration distance inspectionHeat resistance, flame resistance and anti-slip trace test: *Rust test
6.3 Inspection method
6.3.1 The test shall be carried out in the order of the test items listed in 6.2. 8
GB/T5580-2001
6.3.2 The test items shall be carried out on the same prototype and shall pass all tests If the prototype needs to be disassembled for relevant tests, another prototype can be added.
7 Marking and packaging
7.1 The nameplate of the electric drill should be marked with the following items: a) Product name, electric drill;
b) Electric drill model:
c) Maximum diameter of holes drilled on steel, mm; d) Rated voltage, V,
e) Power supply type symbol;
f) Rated input power W; or rated current, A; g) Rated speed r/min (for electric drills with no-load speed exceeding 10000r/min, the rated no-load speed value with the symbol n in front should be marked);
h) Class 1 structure symbol (only for Class 1 electric drills); i) Moisture resistance symbol (only marked when required); j) Manufacturer's name or trade name
k) Factory batch code.
7.2 When leaving the factory, the drill shaft of the electric drill should be temporarily sealed with anti-rust coating for protection. 7.3 Each electric drill should be accompanied by the following documents when leaving the factory: 7.3.1 Product certificate.
7.3.2 Instructions for use and maintenance.
The instructions should include the following contents:
a) Relevant descriptions of the characteristics and uses of the electric drill of this model. b) There should be an independent chapter to explain the safety and technical requirements for the use of electric drills, including matters that must be paid attention to, possible dangers and corresponding preventive measures. For Class I electric drills, it should be specified that a residual current operated protector must be used. c) Relevant maintenance matters.
7.4 The packaging, transportation and storage of electric drills should comply with relevant regulations. 8 Warranty period and accessories
8.1 Warranty period
If the user transports, stores and uses the electric drill correctly in accordance with the provisions of the electric drill manufacturer's operating and maintenance instructions, the manufacturer shall repair or replace the electric drill free of charge within the warranty period specified by the manufacturer if it is damaged or fails to work properly due to poor manufacturing quality.
8.2 Accessories
When electric drills with specifications of 13mm and below leave the factory, they shall be accompanied by drill chucks of corresponding specifications.
Drill shaft inspection
Noise test
Measurement of radio and TV interference levels
Measurement of harmonic currents
Measurement of voltage fluctuations and flicker
Starting test
Commutation spark inspection
Measurement of input power, current and operating parametersTemperature rise test
Overtorque test
Leakage current measurement
Stuck rotor test
Initial starting current measurement
Moisture resistance test
Insulation resistance measurement
Withstand voltage test:
Durability test
Abnormal operation test
"Mechanical hazard inspection"
Mechanical strength inspection
Grounding device inspection||t t||Structural inspection"·
Internal wiring inspection
Component test·
Power cord length inspection
Power connection inspection
Flexible cable or cord pulling force and torsion testFlexible cable or cord and sheath bending test·External wire terminal inspection"·
Screw and connection inspection
Creep distance, electrical clearance and insulation penetration distance inspectionHeat resistance, flame resistance and anti-slip trace test: *Rust test
6.3 Inspection method
6.3.1 The test shall be carried out in the order of the test items listed in 6.2. 8
GB/T5580-2001
6.3.2 The test items shall be carried out on the same prototype and shall pass all tests If the prototype needs to be disassembled for relevant tests, another prototype can be added.
7 Marking and packaging
7.1 The nameplate of the electric drill should be marked with the following items: a) Product name, electric drill;
b) Electric drill model:
c) Maximum diameter of holes drilled on steel, mm; d) Rated voltage, V,
e) Power supply type symbol;
f) Rated input power W; or rated current, A; g) Rated speed r/min (for electric drills with no-load speed exceeding 10000r/min, the rated no-load speed value with the symbol n in front should be marked);
h) Class 1 structure symbol (only for Class 1 electric drills); i) Moisture resistance symbol (only marked when required); j) Manufacturer's name or trade name
k) Factory batch code.
7.2 When leaving the factory, the drill shaft of the electric drill should be temporarily sealed with anti-rust coating for protection. 7.3 Each electric drill should be accompanied by the following documents when leaving the factory: 7.3.1 Product certificate.
7.3.2 Instructions for use and maintenance.
The instructions should include the following contents:
a) Relevant descriptions of the characteristics and uses of the electric drill of this model. b) There should be an independent chapter to explain the safety and technical requirements for the use of electric drills, including matters that must be paid attention to, possible dangers and corresponding preventive measures. For Class I electric drills, it should be specified that a residual current operated protector must be used. c) Relevant maintenance matters.
7.4 The packaging, transportation and storage of electric drills should comply with relevant regulations. 8 Warranty period and accessories
8.1 Warranty period
If the user transports, stores and uses the electric drill correctly in accordance with the provisions of the electric drill manufacturer's operating and maintenance instructions, the manufacturer shall repair or replace the electric drill free of charge within the warranty period specified by the manufacturer if it is damaged or fails to work properly due to poor manufacturing quality.
8.2 Accessories
When electric drills with specifications of 13mm and below leave the factory, they shall be accompanied by drill chucks of corresponding specifications.
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