JB/T 7288-1994 Basic parameters of drum type grass cutter series

This standard specifies the series, model representation method and basic parameters of drum hay cutters. This standard applies to drum hay cutters used for processing forage. JB/T 7288-1994 Basic parameters of drum hay cutters JB/T7288-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T7288-1994
Drum Straw Blower
Published on July 18, 1994
Series Basic Parameters
Implemented on July 1, 1995
Ministry of Machinery Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Drum Straw Blower
1 Subject Content and Scope of Application
Series Basic Parameters
This standard specifies the series, model representation method and basic parameters of drum straw blowers. This standard applies to drum straw blowers used for processing forage. Reference standards
ZBB93022
Preferred numbers and priority number systems
Technical conditions for straw cutters
Main parameters of simple straw cutters
JB/T7288-1994
The main parameter of simple straw cutters is pure working hour productivity. Its series specifications should comply with the provisions of Table 1. When the productivity is greater than 2.5t/h, it shall be extended according to the R5 series specified in GB321.
Series specifications
Pure working hour productivity refers to the productivity of freshly cut straw (rice straw) or first straw with a moisture content not exceeding 17% and a cut length of 16mm.
Simple grass machine model representation method
Model example
Pure working hour productivity, t/h
Rong grass machine code
Drum grass machine with pure working hour productivity of 1th: 93ZT-1.0Basic parameters of cylinder simple grass machine
The basic parameters of simple grass machine should comply with the provisions of Table 2. The feed inlet width value can be selected according to the R40 series specified in GB321 within the specified range.
Approved by the Ministry of Machinery Industry on July 18, 1994
Implemented on July 1, 1995
Feeding inlet width
Blade linear speed
Matching power
Throwing distance height
0.25, 0.37
Note: Blade linear speed refers to the linear speed at the midpoint of the blade JB/T7288-1994bzxZ.net
80-100
0.55, 0.75
Drum grass cutters should comply with the provisions of ZBB93022. Additional notes:
160-200
This standard was proposed and managed by the Hohhot Animal Husbandry Machinery Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Hohhot Animal Husbandry Machinery Research Institute. The main drafter of this standard is Hai Yurong.
180~224
3.0，4.0
From the date of implementation of this standard, NJ419-86 "Basic Parameters of Drum-type Grass Machine Series" shall be invalid.
200~250
4.0，7.5，11.0
People's Republic of China
Machinery Industry Standard
Basic Parameters of Drum-type Grass Machine Series
JB/T 72881994
Published by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2, Shouti South Road, Beijing
Postal Code: 100044)
Format: 880×1230
Print Sheet: 3/8
Word Count: 4,000
First Edition: May 1995
First Printing: May 1995
Print Quantity: 1-500
Price: RMB 4.00
94-241
Mechanical Industry Standards Service Network: http://www.JB.ac.cn6688
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