JB/T 3364.3-1999 Technical requirements for horizontal circular sawing machines

JB/T 3364.3-1999 This standard is a revision of JBn 3365-83 "Technical requirements for manufacturing and acceptance of horizontal circular saw machines". During the revision, only editorial modifications were made according to relevant regulations, and the main technical content remained unchanged. This standard is part of the JB/T 3364 "Horizontal circular saw machine" series of standards, which includes the following three parts: JB/T 3364.1-1999 Parameters of horizontal circular saw machines JB/T 3364.2-1999 Series of horizontal circular saw machines JB/T 3364.3-1999 Technical conditions of horizontal circular saw machines The standards supporting this standard are: JB/T 3866.1-1999 Series of circular saw machines JB/T 3866.2-1999 Connection dimensions of the spindle end of circular saw machines This standard specifies the requirements for the manufacturing and acceptance of horizontal circular saw machines. This standard applies to horizontal circular saws for cold cutting ferrous metals with a maximum circular saw blade diameter of 320~2000mm. This standard was first issued in July 1983. JB/T 3364.3-1999 Technical requirements for horizontal circular saws JB/T3364.3-1999 Standard download decompression password: www.bzxz.net

ICS25.080.30
Machinery Industry Standard of the People's Republic of China
JB/T3364.3-1999
Horizontal Circular Saw Machine
Technical Conditions
Published on 1999-05-20
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3364.3—1999
This standard is revised on the basis of JBn336583 "Technical Requirements for Manufacturing and Acceptance of Horizontal Circular Saw Machines". This standard is a concretization and supplement to GB/T9061—1988 "General Technical Conditions for Metal Cutting Machine Tools" and other standards. This standard is consistent with the technical content of JBn3365—83, and has only been re-edited according to relevant regulations. This standard is part of the JB/T3364 "Horizontal Circular Saw Machine" series of standards. This series of standards includes the following three parts: JB/T3364.1—1999
JB/T 3364.2—1999
JB/T3364.31999
Horizontal circular sawing machine
Horizontal circular sawing machine
Horizontal circular sawing machine
Standards matching this standard include:
JB/T3866.1—1999
JB/T3866.2—1999
Circular sawing machine
Circular sawing machine
Precision inspection
Technical conditions
Series spectrum
Spindle end connection dimensions
This standard replaces JBn336583 from the date of implementation. This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of the Sawing Machine Branch of the National Technical Committee for Standardization of Metal Cutting Machine Tools. The responsible drafting unit of this standard is Hunan Machine Tool Factory. This standard was first issued in July 1983.
Machinery Industry Standard of the People's Republic of China
Horizontal Circular Saw Machine
Technical Conditions
This standard specifies the requirements for the manufacture and acceptance of horizontal circular saw machines. JB/T3364.3-1999
Replaces JBn336583
This standard applies to horizontal circular saw machines for cold cutting ferrous metals with a maximum circular saw blade diameter of 320~2000mm. 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 will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T9061—1988
GB164541996
GB/T167691997
JB/T3364.2—1999
JB/T9872—1999
JB/T9874—1999
“General requirements
General technical requirements for metal cutting machine tools
Technical requirements for safety protection of sawing machines
Method for measuring sound pressure level of metal cutting machine tools Accuracy inspection of horizontal circular sawing machines
General technical requirements for machining parts of metal cutting machine tools General technical requirements for assembly of metal cutting machine tools When accepting machine tools according to this standard, GB/T90 61. The remaining acceptance items in JB/T9872, JB/T9874 and other standards that are not specified in this standard shall be inspected.
4 Accessories and tools
4.1 Random accessories and tools
To ensure the basic performance of the machine tool, the accessories and tools listed in Table 1 shall be supplied randomly. Table 1
Maximum circular saw blade diameter
Circular saw blade
Hexagon wrench
4.2 Special accessories
To expand the performance of the machine tool, special accessories can be supplied according to the agreement. Approved by the State Bureau of Machinery Industry on May 20, 1999 1000
Implemented on January 1, 2000
5 Safety and Healthbzxz.net
JB/T 3364.31999
5.1 The safety protection of machine tools shall comply with the provisions of GB16454. 5.2 There should be no abnormal screaming and impact sounds when the machine tool is running. The method for measuring the noise sound pressure level of machine tools shall be carried out in accordance with the provisions of GB/T16769. Under low, medium and high speed idling conditions, the noise sound pressure level of the whole machine shall not exceed 85dB(A). 5.3 The operating force of the handwheel and handle shall be assessed according to Table 2, and the operating force of the handwheel and handle shall be uniform. Table 2
Maximum circular saw blade diameter
500,710
1000,1400
Processing and assembly quality
Throttle valve handle
Control valve handle
Horizontal vise handle
Guide rail pair of bed and spindle box Wear-resistant measures should be taken to meet the design requirements of the drawings. The bed and spindle box are important castings and should be aged after rough machining. 6.3 The following joint surfaces shall be assessed according to the requirements of important fixed joint surfaces: a) Joint surface between column and bed:
b) Joint surface between column head and column;
Vise handle
c) Joint surface between column and clamp, prism seat and clamp, horizontal vise and clamp, vise and clamp. N
Lifting body handwheel
6.4 The surface of the bed rail and spindle box and their matching inlay strips shall be assessed according to the requirements of "sliding rail". The insertion depth of the feeler gauge between the sliding surfaces: For circular saw machines with a maximum circular saw blade diameter of 2000mm, it should be less than 25mm; For circular saw machines with a maximum circular saw blade diameter of less than 2000mm, it should be less than 20mm.
6.5 The bed rails and horizontal vises, prism seats, lifting bodies and their matching pressure plates shall be assessed according to the requirements of "displacement rails". The insertion depth of the feeler gauge between the sliding surfaces: for circular saw machines with a maximum circular saw blade diameter of 2000mm, it should be less than 25mm; for circular saw machines with a maximum circular saw blade diameter of less than 2000mm, it should be less than 20mm.
7 Idle running test of machine tools
7.1 The main motion mechanism of the machine tool shall start from the lowest speed and run in sequence for a sufficient time (not less than the provisions of Table 3) to allow the spindle bearings to reach a stable temperature.
Maximum circular saw blade diameter
1000,2000
Idle time of second gear
Idle time of third and fourth gear
Specified by design
Idle time of fifth and sixth gear
JB/T 3364.31999
7.2 Start the hydraulic system, adjust the working pressure, and make the feed mechanism do the dry running test with low, medium and high feed amount. No creeping phenomenon is allowed during feeding.
7.3 Pull the operating handle several times to do the working cycle test of the hydraulic system feeding, clamping and lifting mechanism, and all performance indicators should meet the requirements of the manual.
7.4 After the hydraulic system is adjusted to the working pressure (1.7~20MPa), when doing the working test at any feed amount, the pressure gauge pointer shall not oscillate within the range of +0.1MPa.
7.5Start the cooling system for 1 hour, and the coolant should be supplied normally, and it should not be mixed into the hydraulic oil pool. 7.6When the machine tool spindle bearing reaches a stable temperature, check the spindle bearing temperature and temperature rise, and the values ​​shall not exceed the provisions in Table 4 (spot check).
Maximum circular saw blade diameter
320-710
1000~2000
Sliding bearing
Rolling bearing
7.7The feed rate of the spindle box should change evenly from low to high. Turn the throttle valve. When it is at the starting position of the scale ring, the feed rate is not more than 4mm/min; when it is 25~27 grids away from the starting position of the scale ring, the feed rate reaches 400mm/min. Check the working conditions and reliability of the electrical, lubrication systems and safety protection devices. 7.8
7.9After the idling test, check the geometric accuracy according to JB/T3364.2. 8
Machine tool load test
This series of machine tools shall be subject to the following load tests: a) Maximum torque test of main transmission system:
b) Maximum cutting main force test:
c) Maximum power test of main transmission system movement. For batch-produced horizontal circular saws, load tests shall be conducted only under the conditions of two-thirds of the maximum torque and two-thirds of the maximum cutting main force. The cutting specifications shall be in accordance with Table 5. Items a), b) and c in Chapter 8 shall be subject to regular and comprehensive spot checks, with each batch of not less than 1 unit. Table 5
Maximum circular saw blade diameter
500, 710
Cutting material
610045 steel
$200HT20-40
@300HT2040
Specified by design
Specified by design
During the load test, all mechanisms of the machine tool should work normally, safely and reliably. Cutting time
Machine tool accuracy inspection
JB/T3364.3-1999
Before the machine tool acceptance inspection, the machine tool must be installed on a proper foundation and leveled according to the manufacturer's instructions. The leveling accuracy is 0.04/1000.
The machine tool accuracy inspection shall be carried out in accordance with JB/T
9.3 During the working accuracy inspection, a circular saw blade that meets the standards shall be selected and the cutting shall be carried out in accordance with the normal use cutting specifications. 9.4 The geometric accuracy of the machine tool shall be inspected before and after the load test. The working accuracy test of the machine tool shall be carried out after the load test. The actual measured value of the last accuracy inspection shall be recorded in the certificate of conformity.
FORMTEXT
Republic
Mechanical Industry Standard
Technical Conditions for Horizontal Circular Saws
JB/T33643-1999
Published and distributed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×12301/16 Printing Sheet 1 Number of Words 28.000 First Printing in June 1999
Edition June 1999
Print Quantity 1-500
Price 1000 Yuan
99-225
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