焊接件几何尺寸与形状公差
            焊接件几何尺寸与形状公差分页导航
            
            
         
        
        
            
            焊接件几何尺寸与形状公差
        
            焊接件几何尺寸允差
            
			
                
                    | 
                        公称尺寸/mm
                     | 
                    
                        公差(±)
                     | 
                
                
                    | 
                        外形尺寸/mm
                     | 
                    
                        各部分之间/mm
                     | 
                
                
                    | 
                        ≤100
                     | 
                    
                        2
                     | 
                    
                        1
                     | 
                
                
                    | 
                        >100~250
                     | 
                    
                        3
                     | 
                    
                        1.5
                     | 
                
                
                    | 
                        >250~650
                     | 
                    
                        3.5
                     | 
                    
                        2
                     | 
                
                
                    | 
                        >650~1000
                     | 
                    
                        4
                     | 
                    
                        2.5
                     | 
                
                
                    | 
                        >1000~1600
                     | 
                    
                        5
                     | 
                    
                        3
                     | 
                
                
                    | 
                        >1600~2500
                     | 
                    
                        6
                     | 
                    
                        3.5
                     | 
                
                
                    | 
                        >2500~4000
                     | 
                    
                        7
                     | 
                    
                        4
                     | 
                
                
                    | 
                        >4000~6500
                     | 
                    
                        8
                     | 
                    
                        5
                     | 
                
                
                    | 
                        >6500~10000
                     | 
                    
                        9
                     | 
                    
                        6
                     | 
                
                
                    | 
                        >10000~16000
                     | 
                    
                        11
                     | 
                    
                        7
                     | 
                
                
                    | 
                        >16000~25000
                     | 
                    
                        13
                     | 
                    
                        8
                     | 
                
                
                    | 
                        >25000~40000
                     | 
                    
                        15
                     | 
                    
                        9
                     | 
                
            
             
            焊前弯曲成形的筒体允差
            
            
			
                
                
                    | 
                        外径DH/mm
                     | 
                    
                        公差/mm
                     | 
                
                
                    | 
                        △DH
                     | 
                    
                        当筒体壁厚为下列数值时的圆度
                     | 
                    
                        弯角C
                     | 
                
                
                    | 
                        ≤30
                     | 
                    
                        >30
                     | 
                
                
                    | 
                        ≤1000
                     | 
                    
                        ±5
                     | 
                    
                        8
                     | 
                    
                        5
                     | 
                    
                        3
                     | 
                
                
                    | 
                        >1000~1500
                     | 
                    
                        ±7
                     | 
                    
                        11
                     | 
                    
                        7
                     | 
                    
                        4
                     | 
                
                
                    | 
                        >1500~2000
                     | 
                    
                        ±9
                     | 
                    
                        14
                     | 
                    
                        9
                     | 
                    
                        4
                     | 
                
                
                    | 
                        >2000~2500
                     | 
                    
                        ±11
                     | 
                    
                        17
                     | 
                    
                        11
                     | 
                    
                        5
                     | 
                
                
                    | 
                        >2500~3000
                     | 
                    
                        ±13
                     | 
                    
                        20
                     | 
                    
                        13
                     | 
                    
                        5
                     | 
                
                
                    | 
                        >3000
                     | 
                    
                        ±15
                     | 
                    
                        23
                     | 
                    
                        15
                     | 
                    
                        6
                     | 
                
                
            
             
            焊前管子的弯曲半径公差
            
            
			
                
                    | 
                        弯曲半径R/mm
                     | 
                    
                        公差
                     | 
                
                
                    | 
                        管子外径/mm
                     | 
                
                
                    | 
                        30
                     | 
                    
                        38
                     | 
                    
                        51
                     | 
                    
                        60
                     | 
                    
                        70
                     | 
                    
                        83
                     | 
                    
                        102
                     | 
                    
                        108
                     | 
                    
                        125
                     | 
                    
                        150
                     | 
                    
                        200
                     | 
                
                
                    | 
                        R=75~125
                     | 
                    
                        ±2
                     | 
                    
                        ±2
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                    
                        ±4
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=160~300
                     | 
                    
                        ±1
                     | 
                    
                        ±1
                     | 
                    
                        ±2
                     | 
                    
                        ±2
                     | 
                    
                        ±3
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=400
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        ±5
                     | 
                    
                        ±5
                     | 
                    
                        ±5
                     | 
                    
                        ±5
                     | 
                    
                        ±5
                     | 
                    
                        ±5
                     | 
                
                
                    | 
                        R=500~1000
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        ±4
                     | 
                    
                        ±4
                     | 
                    
                        ±4
                     | 
                    
                        ±4
                     | 
                    
                        ±4
                     | 
                    
                        ±4
                     | 
                
                
                    | 
                        R>1000
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                    
                        ±3
                     | 
                
            
             
            焊前管子在弯曲半径处的圆度公差
            
            
			
                
                    | 
                        弯曲半径R/mm
                     | 
                    
                        在弯曲半径处的圆度a或b公差
                     | 
                
                
                    | 
                        管子外径/mm
                     | 
                
                
                    | 
                        30
                     | 
                    
                        38
                     | 
                    
                        51
                     | 
                    
                        60
                     | 
                    
                        70
                     | 
                    
                        83
                     | 
                    
                        102
                     | 
                    
                        108
                     | 
                    
                        125
                     | 
                    
                        150
                     | 
                    
                        200
                     | 
                
                
                    | 
                        R=75
                     | 
                    
                        3
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=100
                     | 
                    
                        2.5
                     | 
                    
                        3.1
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=125
                     | 
                    
                        2.3
                     | 
                    
                        2.6
                     | 
                    
                        3.6
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=160
                     | 
                    
                        1.7
                     | 
                    
                        2.1
                     | 
                    
                        3.2
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=200
                     | 
                    
                        -
                     | 
                    
                        1.7
                     | 
                    
                        2.8
                     | 
                    
                        3.6
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=300
                     | 
                    
                        -
                     | 
                    
                        1.6
                     | 
                    
                        2.6
                     | 
                    
                        3
                     | 
                    
                        4.6
                     | 
                    
                        5.8
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=400
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        2.4
                     | 
                    
                        3.3
                     | 
                    
                        5
                     | 
                    
                        7.2
                     | 
                    
                        8.1
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=500
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        1.8
                     | 
                    
                        3.4
                     | 
                    
                        4.2
                     | 
                    
                        6.2
                     | 
                    
                        7
                     | 
                    
                        7.6
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=600
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        1.5
                     | 
                    
                        2.3
                     | 
                    
                        3.4
                     | 
                    
                        5.1
                     | 
                    
                        5.9
                     | 
                    
                        6.5
                     | 
                    
                        7.5
                     | 
                    
                        -
                     | 
                
                
                    | 
                        R=700
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        -
                     | 
                    
                        1.2
                     | 
                    
                        1.9
                     | 
                    
                        2.5
                     | 
                    
                        3.6
                     | 
                    
                        4.4
                     | 
                    
                        5
                     | 
                    
                        6
                     | 
                    
                        7
                     | 
                
            
             
            焊前管子在弯曲处的允许的波纹深度
            
            
			
                
                    | 
                        弯曲处波纹深度a′
                     | 
                
                
                    | 
                        管子外径/mm
                     | 
                
                
                    | 
                        30
                     | 
                    
                        38
                     | 
                    
                        51
                     | 
                    
                        60
                     | 
                    
                        70
                     | 
                    
                        83
                     | 
                    
                        102
                     | 
                    
                        108
                     | 
                    
                        125
                     | 
                    
                        150
                     | 
                    
                        200
                     | 
                
                
                    | 
                        —
                     | 
                    
                        1
                     | 
                    
                        1.5
                     | 
                    
                        1.5
                     | 
                    
                        2
                     | 
                    
                        3
                     | 
                    
                        4
                     | 
                    
                        5
                     | 
                    
                        6
                     | 
                    
                        7
                     | 
                    
                        8
                     | 
                
            
             
            
            
                
                
                
                
                
            
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