JB/T 9905.1-1999 This standard is a revision of JB/Z 250-85 "Centerless Cylindrical Grinding Machine Series". This standard is part of the JB/T 9905 "Centerless Cylindrical Grinding Machine" series of standards: JB/T 9905.1-1999 Centerless Cylindrical Grinding Machine Series JB/T 9905.2-1999 Centerless Cylindrical Grinding Machine Technical Conditions Standards supporting this standard: GB/T 4681-1984 Centerless Grinding Machine Accuracy GB/T 6470-1986 Centerless Grinding Machine Parameters JB/T 9919-1999 High Precision Centerless Grinding Machine Accuracy Inspection This standard specifies the series composition, use, performance characteristics, varieties and parameters of centerless cylindrical grinding machines. This standard applies to newly designed general-purpose centerless cylindrical grinders. This standard was first issued in September 1985. JB/T 9905.1-1999 Centerless Cylindrical Grinding Machine Series JB/T9905.1-1999 Standard Download Decompression Password: www.bzxz.net

IC.S 25.480.50
Machinery Industry Standard of the People's Republic of China
JB9905.[99(5.2-1999
Centerless Cylindrical Grinding Machine
1999-05-20 Issued
National Bureau of Machinery Industry
2000-01-01 Implementation
JB/T9905.1-1999
This standard is based on the 7250-BS centerless cylindrical grinding machine series. The technical content of this standard is consistent with JD/Z250-85, and it has been re-edited according to relevant regulations. This standard is a JD9 This standard is part of the "905 Centerless External Cylindrical Grinding Machine" series. This series of standards includes the following two parts: 1A/T9905.1 [999 Centerless External Cylindrical Grinding Machine Series Model JE/9905.2—1999) Technical Conditions for Centerless External Cylindrical Grinding Machines The standards that match this standard are:
GB/T4681—1084 Centerless External Cylindrical Grinding Machine Requirements
GBT6470--1986 Centerless External Cylindrical Grinding Machine Integer
1B State 999·Precision Inspection of High Precision Centerless External Cylindrical Grinding Machines This standard will replace IR/7.250B5 from the time of implementation. This standard shall be proposed by the National Machine Tool Standardization Technical Committee in the near future. This standard is under the jurisdiction of the National Metal Cutting Machine Tool Standardization Technical Committee Qingzhou Branch, and the responsible unit is: Youshengyuan Machine Tool Group Co., Ltd. This standard was first issued in September 1985. The series of models of the Machinery Industry Standard of the People's Republic of China centerless external cylindrical machining centers fully defines the system structure, purpose, performance characteristics and variety of centerless external cylindrical machining centers. The national standard slideway is the newly designed centerless external grinding wood of the old Le Tu. The referenced standard JB/T9905.1-1999 represents JB25-5. The clauses contained in the underlined standard are the clauses of the standard that are quoted in this standard and become the clauses of the standard. At the time of this standard edition, the versions shown are all valid. All standards are subject to revision. Parties using this standard should discuss the possibility of using the following standards: GR.T46RI—1981: Precision classification of center-mounted grinding machines for metal cutting with different thicknesses
3REUR11999
IR:T99191999
3 Series structure
Air-assisted non-centering external grinding table precision inspection
The system structure of the machine tool should be shown in Figure! .
Automatic theft
Forced external measurement flow celebration
Unintentional multi-electric cattle
Heart original bed
Resource wheel unintentional external network Nanmin
1 Wide and dense energy limit:
National machine approval industrial layer 19-5-local approval
High-speed
Forced external network old inflammation
Micro-space control
Heart external round Yi
Suitable disk control plan
Heart foreign dense rice
Fertilizer wide sand grab
Unintentional foreign hatching
Automatic wide sand theory| |tt||Centerless external adjustment wood
High extension degree grinding wheel
Big external network technology
Guangli wheel
Fangxin external reading speed
Especially external machine
Qualified shop
Optical external machine
Automatic power wide grinding wheel
Centerless external A secret
High degree of state grinding
Centerless external two this technology
2000-01-01 implementation
April and performance
4.1 General type
4. 1. 1 Centerless external random selection
The type of machine tool is as shown in Figure 2.
（「）
1A/T 9905.1—1999
centerless external grinding machine is a series of horizontal type. It is used for mass production of grinding and cutting of parts such as cones in automobile, tool, tractor, home appliance and other manufacturing industries. The correction should comply with the provisions of GBT4681. The correction of the machine should comply with the provisions of GBT97. The machine should have the following characteristics:
Manual feeding wheel dresser and wheel dresser: 6 motorized eccentric return cutting mechanism, manual feeding: centrifugal grinding and cutting bracket.
4.1.2 General purpose non-contact
Applicable to batch production of automobiles, industrial cards, tractors: household appliances, etc., the surface accuracy of reproducible parts should comply with JB/T990S.1-1999
Derived from GBT4691 The machine tool is of the grade precision specified in JBT9871. Except for the motorized transverse cutting mechanism and the cutting and grinding frame, the machine tool has a benzene type system. Its structure will be characterized by 4.1.3 automatic external network machine
It is suitable for mass production of automobiles, tractors, nozzles, household appliances and other manufacturing industries, and can be used for single-machine automatic and automatic cutting of the outer surface of the body and multi-machine body. The machine is in compliance with the specification of GR/T4681 and is of grade B9/T71. The machine has the following structural features: Automatic dressing wheel: a) Dynamic compensation for wheel dressing ticket and feed door; b) Dynamic cross-grinding compensation; c) Grinding and cutting grinding bracket: d) Dynamic loading and unloading transmission and dynamic measuring equipment are available according to user's requirements: force 4.1.4 Motion-driven centerless grinding machine with good control system for dynamic cutting cycle
is suitable for batch production of automobile, tooling, oil control machine, oil pump, household appliances and other manufacturing industries, and can be used as single machine automatic and integrated into power line. It meets the requirements of GT6【. The machine tool is the grade B specified by JBT?
except that the machine tool has the moldless cutting-in grinding channel, it should have other characteristics of dynamic centerless grinding machine. 4.1.5 Motion-driven centerless grinding machine with good control system for dynamic cutting cycle
is suitable for the processing of technical parts of flushing pump, automobile, aviation, bearing, etc. The accuracy meets the requirements of HT9. The machine tool is the grade II accuracy specified by B. The machine tool should have the following structural features:
) The inspection finger can be moved half-balanced;
The grinding wheel and guide wheel are mainly used for grinding. Have higher rotation accuracy: High sensitivity micro-feed mechanism:
Elimination measures to reduce thermal deformation:
e Vibration elimination measures:
Good coolant purification device.
4.1.6 The external steel grinder of the central room is used for the precision grinding of the pump, automobile blasting, bearings, electric-F and other manufacturing industries! , The support should comply with the provisions of JBT99[9, the machine tool is JB/T987: Standard 1I level precision. Machine tools, except for the unmechanical cutting mechanism and the cutting frame, should be equipped with other high-end research and development center structures and certification. 4.1. For the mass production of small and medium-sized supporting industries such as numerical control units, dynamic grinding, anti-friction grinding, and fire-protection machines, the relevant standards of GB『468[ shall be met. The machine tools shall be of the level precision specified in JBT987. In addition to the common features of the centerless external machining center, the machine should also have the following common features: 4) The grinding wheel and guide wheel control device are controlled by the machine, and can perform two-coordinate linkage; 3) The machine cycle is controlled by computer; e) The dynamic bed can adapt to the machine and make self-diagnosis of faults; 4. Adaptive control of centerless external machining center
also! Defense, aviation, automobile, tractor, bearing, tool and other measuring industries, the requirements of various rotary parts with high precision are in accordance with the relevant or specified standards of B/T468, and the machine tool is the V-line precision specified in H/71. In addition to the drilling structure of the centerless external grinding machine, the machine also has an adaptive control system that can automatically change the grinding parameters to adapt to the changes in the conditions.
4.2 Wide Grinding Wheel Type
The wide grinding wheel centerless external cylindrical grinding machine has the same application, performance and structural characteristics as the corresponding centerless external cylindrical grinding machine except that the wheel is wider.
The required types are shown in Table 1.
Maximum load front main flow mn
Centerless wind ||t t||To Tang Daxin general machine
Dynamic large machine case
Automatic sample machine
Commercial precision square machine two-dimensional machine
High degree of communication without center
Teaching character system with center density machine
Live system without center reduction machine
Idle shift wheel large network luxury flash
Certificate shop wide grinding wheel without center feeling machine
Door flow wheel North center two old machine
Self-grinding rope dynamic model without center through real machine
High wide grinding wheel without center wind general machine
Two beats degree certificate brush wide change wheel without center outside Ao machine effective for controlling the viewing center wheel large center two falling machine
The grab data of machine tools are shown in Table 2.
Total diameter
Minimum grinding volume: mm
Sand grinding wheel
Grinding wheel
Different wheel straight return
Main motor power
Layout type
The layout type of the machine tool is shown in Table 3.
Large density new point diameter
Centerless outer machine
General centerless outer machine
Medium centerless measurement method
Medium centerless outer machine repair goods
And the special centerless machine
High special centerless outer machine
Digital control optical center electric description
Adaptive control center health
Wide lying centerless outer machine medical rate industry
J8/T9905.1—19 99wwW.bzxz.Net
grinding wheel type
when the ", grinding wheel - generally on the bed sequence, the wheel's development damage compensation and the horizontal plan of the front and rear can be delivered to the same nest more or to achieve the actual overcome. The distance between the wheel frame and the support frame is fixed at: the distance between the support and the support army is weak, the wheel and the search wheel are double-bearing type.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.