tbt54-1993 光圆销

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1、TB中华人民共和国铁道行业标准TB/T54－93光圆销1993—07—14发布1994—03—01实施中华人民共和国铁道部发布标准分享网www.bzfxw.com免费下载光圆销1.主题内容与适用范围本标准规定了光圆销型式尺寸、技术要求和标记。本标准适用于机车车辆制动装置传动圆销，其他机械产品可参照采用。2.引用标准GB699优质碳素结构钢技术条件GB700碳素结构钢GB91开口销TB／T59圆销用垫圈TB／T56毛圆销3.型式尺寸圆销的型式尺寸、代号及长度系列按图、表1、表2的规定。1表1mm基本尺寸681

2、0121620222528303236404550556065-0.070-0.080-0.095-0.110-0.120-0.130-0.140极限偏差-0.145-0.170-0.205-0.240-0.280-0.290-0.330D121416202432364042454852566268758085H33.545678C11.5351)R或C1123r0.5～11.5～2d123.2456.38102)l145681011开口销2×123.2×204×305×406.3×508×608×7010

3、×8010×90CB91公推称6810121620222528303236404550556065荐垫圈直使TB/T59径用厚246度注，①允许按双点划线制造．②l1为参考尺寸，用以确定1的基本尺寸，-般应大于表1规定。4.技术要求4.1.材料热处理及销杆表面硬度按表3的规定。表3材料热处理销杆表面硬度种类牌号标准号Q235－AGB700表面渗碳、淬火回碳素结构钢火、渗碳层深度Q275GB7000.8～1.5mmHRC40～55优质碳素结构钢45CB699淬火、回火4.2.销杆部分必须热处理、如选用不要求硬

4、度的圆销，可在图样附注栏中说明。2标准分享网www.bzfxw.com免费下载4.3.圆销表面不得有裂纹、圆销头部(D)允许有锻造爆裂宽度不大于0.7mm总数不超过3个。4.4.圆销头厚度(H)允许按TB56的规定加厚。表2mmdL6810121620222528303236404550556065每个圆销质量(kg／个)200.00620.01030.0156220.00670.01100.0168250.0073O.01230.01860.0276O.047228O.0080O.0134O.0205O.

5、03020.0519300.00850.01420.02163.03200.0551320.00890.01500.02290.03380.0582350.00960.0162O.0248O.0364O.0850O.106380.01020.01690.02670.03910.06770.1140400.01070.01820.02790.04090.07080.118942O.0110O.0189O.0291O.0426O.0740O.1239450.01160.020l0.03100.0453O.078

6、70.01313480.01240.0213O.03280.04800.08340.1387O.16990.2265O.2779500.0129O.02210.03410.04980.08660.1436O.17580.23430.2876550.01400.02410.03710.05420.09450.15590.19070.25340.311760O.01510.02600.04020.05860.10240.16820.2056O.27270.3359O.38750.454365O.0162O.02

7、80O.04330.06310.11030.1806O.22050.29190.36000.4153O.4858700.01730.03600.04640.06750.11820.19290.23540.31110.38420.44300.51740.6427750.03190.04950.07190.12600.20520.25030.33040.40830.47080.54890.68270.8434800.03390.05260.0764O.13390.2175O.26520.34970.43250.

8、49850.58050.7226O.8927850.03590.05570.0808O.14180.22990.28010.36890.45S60.52630.61200.76260.94211.2043续表2mmdL6810121620222528303236404550556065每个圆销质量(kg／个)900.03790.05880.08530.14970.24220.29500.38820.48080.5