This standard specifies the manufacturing and acceptance requirements for heavy-duty deep hole boring and drilling machines. This standard applies to general-purpose heavy-duty deep hole boring and drilling machines with a maximum boring diameter greater than 250~1000mm, a maximum boring depth of 3000~20000mm, and a fixed or mobile work spindle box. JB/T 8332.2-1996 Technical conditions for heavy-duty deep hole boring and drilling machines JB/T8332.2-1996 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 8332. 2 96
Heavy Duty Deep Hole Drilling and Boring Machine
1996-114-11 Issued
Technical Conditions
1996-1001 Implementation
Ministry of Machinery Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Heavy Duty Deep Hole Drilling and Boring Machine
Technical Parts
1 Subject Content and Scope of Application
The technical standard specifies the manufacturing and acceptance requirements for heavy-duty deep hole drilling and boring machines. JH/T 8332.2—06
This standard is applicable to fixed and mobile heavy-duty deep hole drilling machines for workpieces with a maximum support hole diameter greater than 250~100cm and a maximum front hole depth of 200~0!mm. 2 Reference standards
GB525e
GB Soel
Z J30 003
ZB 150 004
Zsr. 159 008. 1
ZB J5 008.3
ZBn J50 008.
ZBJ5U016
3 General requirements
Technical documents for use
Air outlet equipment for ring bed
Machine lubrication system
General technical conditions for metal cutting machine tools
Special protective technical parts for metal cutting machines and machine tool accessories Heavy-duty drilling station wire bed precision change
Determination of the viscosity of metal cutting machine tools
Deposit for the sound level of the throat of the metal cutting machine tool This standard specifies and supplements GB9051,2BnJ5000R.1,ZBnJ500C8.2,ZBnJ5C008.7, etc. When this standard is accepted, the other test items that have been simplified and reduced by this standard must be tested at the same time. 4 Accessories and tools
Applicable machine parts and tools
Tool support
Drilling frame
Machinery mattress, block, selector, cushion
Test gun
Special tool
Approved by the Ministry of Machinery Industry on April 11, 1996
Support work
Support, packing rod
Said the level of the bed
Asked for travel
Operation, use
1610 implementation
4.2 The following special accessories and tools can be provided: Station:
b. Drill bit:
Delivery:
Standard center frame support sleeve;
[, guide center frame support connection;
8 Upper part effect shape:
S Safety and health
5.1 The drill pipe box should have a limit position insurance device. JB/T8332,2—96
5.2 The cleaning plate, drilling support plate, adhesive rod guard frame, guide frame and other scrapers connected to the machine tool guide rails are all equipped with adjustment ends.
S.3 Connect 2BJ50004 to the current test of machine tool noise. The machine tool noise measurement should be carried out under the special conditions of workpiece soil extraction and pin support pen, etc., and the forward, reverse, low, medium and high speed and drilling box feeding movement should be carried out under the medium speed. The whole machine noise level shall not exceed 35 (A>: 5.4 (the manual operation force should be within the error range of the whole operation. The rotation and compensation of the workpiece spindle box and the fixed speed handwheel of the stand box should not exceed the following specifications. The hand wheel (lower agent) operating tool should be large and the moving hand wheel hand vehicle group of the 120-piece center frame and the drill rod center frame should not exceed 5.5 technical standards for the acceptance of the Kai bed. It is necessary to inspect the other items not specified in 141a9 and (522(B65762B.15CC15 and other acceptance items E that are not included in this standard. 6 Machining and matching quality
6 Workpiece bed, stand rod bed, three-axis box and plate, drill rod box and its slide plate, guide center two car and lower taste are the main parts, and they should be aged after marking.
6.2 Workpiece shaft pin spindle to the stand support box spindle pair, high-load wheel, bed thread in the pair The wear-prone parts should be equipped with wear-resistant measures that are compatible with the life of the workpiece.
6.3 The workpiece spindle box, drill box, guide rail, and guide rail of the lower body of the center frame should be equipped with a pair of guide rails that can be matched with the guide rails. The guide rails should be brushed and wear-resistant, such as steel guide wheels, plastic guides, or high-frequency induction points. 6.4 The following joint surfaces should be evaluated according to the requirements of "vertical fixed joint surfaces". The upper spindle box and the bed (or continental plate) are connected:
The upper and lower body joints of the workpiece center channel are connected:
The upper and lower body joints of the center frame are connected:
The upper and lower body joints of the aluminum rod center frame are connected: b. The joint surface of the bed body. If the joint surface is to be fixed, it should be tight and can be inserted with a 0.01m ruler after tightening. However, the depth of insertion should not be greater than 20mm, and the length of the part should be less than or equal to 1/5 of the length of the station surface. But not more than 130m, then it should be connected. (5) The upper body and the micro station surface of the guide center should be "fixed station combined with rain" requirements. And the following guide rails should meet the requirements of "bone dynamic guide". Drilling support and bed guide rail to
Drilling center frame and bed guide rail pair.
JB/T 8332.296
6.7 The following guides shall be subject to the requirements of the displacement guide: a.
Lower workpiece center frame and bed guide pair:
Upper axle box and body guide pair
Guide center station and cross body guide pair.
6.8 The positioning chain pin of the lower bearing shall be inspected for color missing, and its contact length shall not be less than 60% of the working height: a.
Location cone pin of workpiece axle box and bed point (or core): Locating cone pin of drill rod box and slide plate Positioning pins:
Positioning pins for the upper and lower bodies of the guide center frame; Positioning pins for the countersunk box and the bed body;
Positioning cone pins for the upper and lower bodies of the support frame: Positioning group pins for the screw bracket and the front of the bed:
Positioning cone pins for the gear and the bed thread
Positioning system pins for connecting the bed body: www.bzxz.net
Positioning chain pins for the upper rod auxiliary slide plate and the screw nut bracket to pin the workpiece shaft auxiliary bearing and the workpiece shaft box body: Positioning pins for the folding shaft bearing and the drill rod main body. 6.9 The F wheel with engraving should be installed, and the damage should not exceed 1/4. 6. Check the cleanliness according to the provisions of ZBJ5J003: 6.10.1 The internal condition of the spindle box, aluminum rod box and pin punching box should be checked by random sampling. The impurities and dirt should not exceed 1.0cm. 6.10.2 The pressed system should be cleaned by the blue Shanbo disinfection method. The impurities and dirt should not exceed 2CCm. 6.10.3 Other parts should be checked by scratching and hand feeling. There should be a balance 7 machine tool idle running test
. 1 piece 1 throw box 1 beat drill rod box axle from the test situation to consider the operation in sequence, each level of speed check operation time can be not less than m: yuan level speed should be low, three, high continuous operation, high speed operation is prohibited for not less than 1h: let the rail beat bearing reach the fixed temperature, let the bearing near the temperature and the point of use exceed the table? How to produce, table 2
bearing type
this bearing
appearance resistance bearing
7.2 drill rod feed pin should Do low, high speed air transport test, and make three boxes and drill rod transmission test at the same time. Each test time should not be more than 2n. 3. Workpiece + box + throw speed, the main pull-out box is reverse, and the actual error of the drill rod should not exceed 10% of the mark. 7.4 Workpiece axle box (effective type. Drill support box. Guide center frame. Stand rod center frame drill and box drive > center. Do positive and reverse rapid movement test, the number of rise and fall should not be less than 3 times, and the stroke should not be less than the stroke, 5 The appropriate connection is made to the main drawer and needle bar box and other main motions and the direction of the feeder movement. The continuous motion of the reverse drive stops 5 times. The flexibility and controllability of the test action are tested. 7.6 The design of the transmission system operation power density building is required for the test. 3
8 Machine load commercial test
JB/T8332.2-·56
This series of expansion machines shall be subjected to the following medium load tests. When the manufacturer does not have the same test conditions, it is allowed to be carried out at the user's site: n Nearly annual workpiece load large-volume operation test; b.Main system design test: c. Maximum cutting force test of machine tool
d. Maximum power test of main transmission system of machine tool, 8. Maximum load test of machine tool, the workpiece should be held on the chuck and the work rack, and the test time should not be less than 1 min
8.2 The frequency torque test and the resistance test of machine tool transmission should be carried out by the method of strong energy hole. B.3 The calculation of maximum torque and micro cutting force of main transmission system of machine tool should be calculated according to the provisions of GB9061. For batch production, it is allowed to test at 2/3 maximum torque and 2/3 maximum force. However, the test of maximum cutting force and maximum cutting force should be carried out regularly
4. Maximum power test of machine tool transmission system, select a suitable speed within the range of long shaft speed, and use the method to test.
8. The maximum pulling force, maximum cutting resistance and maximum power test of the machine system shall be carried out in accordance with the requirements of the design documents.
Note: Maximum power may refer to the maximum design power. 9. For each load test, the machine tool should be stable and reliable. Machine tool accuracy test
9.1 Precision inspection shall be carried out in accordance with TB/T8332.1. 9.2 G6G11, G14, G13, G6, etc. in the accuracy inspection shall be carried out in accordance with the requirements of the design documents when the machine tool reaches the planned stable temperature. The test specifications for the accuracy inspection shall be carried out in accordance with the requirements of the design documents. 9.4 During the accuracy inspection, the maximum allowable surface roughness K is 2.5 μm. Additional notes:
This standard is proposed by the National Technical Committee for Standardization of Cutting Machines. This standard is issued by Wuhan Heavy Duty Machine Tool Research Institute. This standard is initiated by Qiqihar Heavy Duty Machine Research Institute. 4
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