SW-6200
用户手册
User Manual
01~27
28~55
中 文
English
- 01 -
目录
用户须知
1. 装箱清单
2. 概述
2.1 产品特点
2.2 主要用途
2.3 适用范围
3. 结构特征与工作原理
3.1 主机
3.2 工作原理
4. 产品规格参数
5. 仪器使用的准备和检查
5.1 使用前的准备
5.2 测量方法
6. 特别提示
7. 仪器操作详解
7.1 仪器开、关机
7.2 仪器概述
7.3 菜单功能
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04
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05
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06
06
07
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09
10
13
13
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14
15
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7.4 自动关机
8. 故障分析与排除
9. 保养和维修
9.1 冲击装置维护
9.2 仪器维修程序
9.3 锂电池充电及保养
9.4 贮存条件、运输及注意事项
附表1
附表2
附表3
附表4
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25
26
27
- 03 -
用 户 须 知
一、不要用任何方式自行打开或修理仪器,严禁非法改装仪器。
请妥善保管仪器,不要放在儿童可以接触到的地方,避免
无关人员的使用。
二、仪器电磁辐射可能对其他设备和装置造成干扰,请不要在
飞机或医疗设备附近使用本仪器,不要在易燃、易爆的环
境中使用仪器。
三、仪器更换的废旧电池和报废的仪器不可与生活垃圾一同处
理,请按国家或者当地的相关法律规定处理废旧电池和报
废仪器。
四、仪器出现任何的质量问题,或对使用仪器有任何疑问时请
及时联系当地经销商或仪器生产厂家,我们将第一时间为
您解决。
五、超过保修期的本公司产品出现故障,可以交由本公司维修
产品,按公司规定收取维修费用。
六、凡因用户自行拆装本公司产品、因运输、保管不当或未按
产品说明书正确操作造成产品损坏,以及私自涂改保修卡,
无购货凭证,本公司均不能予以保修。
初次使用仪器前,请先仔细阅读用户须知
产品执行标准:JB/T 9378-2001 GB/T 17394.4-2014
(注明:产品外观以实物为准,说明书中图片效果仅供参考)
- 04 -
● 小巧便携
● 黑白点阵背光屏
● 中英文显示界面
● 内置锂电
● DC5V 1A 充电 TYPE-C 接口
● 支持多种金属材料检测
● 支持多种硬度单位转换(HL、HRB、HRC、HB、HV、HS、
HRA)
● 自动省电
● 软件校准
2.1 产品特点
2. 概述
1. 装箱清单
请按下列清单认真检查仪器所有附件是否完整。如不完整,请
及时联系经销商或仪器生产厂家 。
序号 名称 数量 单位 备注
1 1
1
1
台
本
张
主机
说明书
保修卡
布包盒 1 个
USB Type-C数据线 1 条
2
4
5
3
- 05 -
● 重型工件或大型工件大范围内多处测量部位的快速检验;
● 轴承及其它零件;
● 热处理工件的质量控制;
● 机床导轨,汽车底盘的硬度检测;
● 已安装的机械或永久性组装部件;
● 模具型腔等试验空间很狭小的工件;
● 压力容器、汽轮发电机组及其设备的失效分析;
● 要求对测试结果有正规的原始记录;
● 金属材料仓库的材料区分。
适用范围见附表1、附表2
2.2 主要用途
2.3 适用范围
- 06 -
3.1 主机
3. 结构特征与工作原理
1、释放按钮
2、加载套
3、导管
4、开关、返回键
5、向下键
6、向上键
7、菜单键
8、支撑环
9、显示屏
10、Type-C充电端口
1
2
3
4
5
6
7
8
9
10
- 07 -
用规定质量的冲击体在弹力作用下,以一定速度冲击试样表面,
用冲头在距试样表面1mm处的回弹速度与冲击速度的比值计算
硬度值。计算公式如下:
HL=1000* VB / VA
式中:HL---里氏硬度值
VB---冲击体回弹速度
VA---冲击体冲击速度
序号
1 ±6 HLD
±10 HLD
6 HLD
10 HLD
760±30HLD
530±40HLD D
2 ±6 HLDC
±10 HLDC
6 HLDC
10 HLDC
760±30HLDC
530±40HLDC DC
3 ±12 HLDL 12 HLDL 878±30HLDL
736±40HLDL DL
4 ±12 HLD+15 12 HLD+15 766±30HLD+15
544±40HLD+15 D+15
5 ±12 HLG 12 HLG 590±40HLG
500±40HLG G
6 ±12 HLE 12 HLE 725±30HLE
508±40HLE E
7 ±12 HLC 12 HLC 822±30HLC
590±40HLC C
冲击装
置类型
标准里氏硬
度块硬度值 示值误差 示值重复性
3.2 工作原理
4. 产品规格参数
A
B
时间
冲击阶段 反弹阶段
● 示值误差和示值重复性(图表2)
冲击装置输出信号见右方示
意图:
- 08 -
4.1 技术参数
示值误差 ±6HL @760HLD,±10HL @530HLD
165x42x27.5mm
项目 SW-6200
170~960 HLD
标准D型
测量范围
支持语言 中文/英文
测量方向 支持垂直向下、斜下、水平、斜上、垂直向上
标准硬度块 √
钢和铸钢、合金工具钢、不锈钢、灰铸铁、球墨铸铁、
铸铝合金、铜锌合金(黄铜)、铜锡合金(青铜)、纯铜、锻钢 硬度测量材料
低碳钢、高碳钢、铬钢、铬钒钢、铬镍钢、铬钼钢、
铬镍钼钢、铬锰硅钢、超高强度钢、不锈钢 强度测量材料
里氏(HL)、布氏(HB)、洛氏B(HRB)、洛氏C(HRC)、
洛氏A(HRA)、维氏(HV)、肖氏(HS) 硬度制式
显示屏幕 1.77寸 128x64黑白点阵屏
电池 内置350mAh锂电
续航时长 约11小时
充电规格 DC5V 500mA Type-C接口
工作温湿度 0℃~40℃,10%~80%RH
存储温湿度 -10°C ~ 50°C,10%~70%RH
外形尺寸
冲击装置
周围环境无强烈振动、无强烈磁场、无腐蚀性介质
及严重粉尘 工作环境
- 09 -
5.1 使用前的准备
5. 仪器使用的准备和检查
(1) 试样表面的状况应符合附表3中的有关要求:
● 试样表面温度不能过热,应该小于120℃;
● 试样表面粗糙度不能过大,否则会引起测量误差,试样的被
测表面必须露出金属光泽,并且平整、光滑、不得有油污;
● 试样重量的要求:对重量大于5kg的重型试样,不需要支承;
重量在2-5kg的试件有悬伸部分的试件及薄壁试件在测试时
应用物体支撑,以避免冲击力引起试件变形、变曲和移动。对
中型试样,必须置于平坦、坚固的平面上,试样必须绝对平
稳置放,不得有任何晃动;
● 曲面试样:试样的试验面最好是平面。当被测表面曲率半径
R小于30mm(D、DC、D+15、C、E、D型冲击装置)和小
于50mm(G型冲击装置)的试样在测试时应使用小支承环或
异型支承环;
- 10 -
5.2 测量方法
(1) 启动
(2) 加载
● 试样应有足够的厚度,试样最小厚度应符合附表3规定;
● 对于具有表面硬化层的试样,硬化层深度应符合附表3规定;
● 耦合:对轻型试样,必须与坚固的支承体紧密耦合两耦合表
面必须平整、光滑、耦合剂用量不要太多测试方向必须垂直
于耦合平面;当试样为大面积板材、长杆、弯曲件时,即使
重量、厚度较大仍可能引起试件变形和失稳,导致测试值不
准,故应在测试点的背面加固或支承;
● 试样本身磁性应小于30高斯;
(2) 测量条件设置:参考<7.3 测量条件设置>
测量前可先使用随机硬度块对仪器进行检验,其示值误差及重
复性应不大于图表2的规定。
注意:随机硬度块的数值是用标定过的里氏硬度计,在其上垂
直向下测定5次,取其算术平均值作为随机硬度块的硬度值。
如该值超标,可以使用用户校准功能进行校准。
短按 键此时电源接通,仪器进入测量状态。
向下推动加载套锁住冲击体,此时就完成了加载。
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(4) 测量
● 按下冲击装置上部的释放按钮,进行测量。此时要求试样、
冲击装置、操作者均稳定,并且作用力方向应通过冲击装置
轴线;
● 试样的每个测量部位一般进行五次试验。数据分散不应超过
平均值的±15HL;
● 任意两压痕之间距离或任一压痕中心距试样边缘距离应符合
图表3规定;
(3) 定位
将冲击装置支承环按选定的测量方向紧压在试样表面上,冲击
方向应与试验面垂直。
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不小于(mm) 不小于(mm) 冲击装置类型
D、DC 3 5
DL 3 5
D+15 3 5
G 4 8
E 3 5
C 2 4
两压痕中心间距离 压痕中心距试样边缘距离
(5) 读取测量值
● 用多个有效试验点的平均值作为一个里氏硬度试验数据。
● 在里氏硬度符号HL示出硬度数值,不同冲击装置类型测得的
HL值不同。
● 对于特定材料,欲将里氏硬度值较准确地换算为其它硬度值,
必须做对比试验以得到相应换算关系。方法是:用检定合格
的里氏硬度计和相应的硬度计分别在同一试样上进行试验,
对于每一个硬度值,在三个以上需要换算的硬度压痕周围均
匀分布地各测定五点里氏硬度值,用里氏硬度平均值和相应
硬度平均值分别作为对应值,做出硬度对比曲线。对比曲线
至少应包括三组对应的数据。
(图表3)
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7.1 仪器开、关机
开机:短按 键开机。
关机:长按 键2秒关机,长按4秒重启;
自动关机:仪器在5分钟内无任何操作,系统会自动关机 ;
强制关机:长按 键10秒以上,强制关机。
● 仪器目前只支持D型冲击装置,请不要使用D型以外的冲击
装置;
● 正常情况下,在未达到设定的冲击次数时,不能存储当前测
量值;
● 当设定为【强度】测量时,将不能设置为硬度制,光标会从
【硬度制】上跳过;
● 不是所有材料都可以转换成所有硬度制,更改材料后硬度制
会自动恢复为里氏HL。所以,设置测量条件时要先设置【材
料】,再设置【硬度制】。
6. 特别提示
7. 仪器操作详解
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(1)主显示界面说明
(2)测量操作
电池电量:显示剩余电量
冲击方向:当前冲击方向
平 均 值:显示当前平均值
硬度制式:当前测量值的硬度制
测 量 值: 当前单次测量值
材 料:当前设定的材料
冲击次数:测量时显示已经完成的冲击次数
在主界面下可以进行测量,每完成一次测量,显示本次测量值
和平均值,冲击次数增 1。 达到设定的冲击次数后,仪器“滴
滴”响两声。
7.2 仪器概述
冲击次数
记录
REC 3/5 AVG
HL
789
791 790
792 钢和铸钢
冲击方向
硬度制
材料
平均值 电量
- 15 -
7.3 菜单功能
在主界面状态下,短按 键,进入菜单。仪器总共有8个菜
单选项。其中,测试记录为进入菜单默认选项。
操作如下
1>按 键进入菜单;
2>按 键选择选项;
3>按 键返回主界面。
注意:所谓“转换 ”是指对于某种材料,依据里氏硬度和其它
硬度,在大量试验的基础上,建立的对应关系。根据这种关系,
硬度计会自动将测量的里氏硬度值经过计算换算成其它硬度制
的硬度值。
材料
平均次数
测试记录
测试记录、材料、平均次数、硬度、冲击方向、校正、
硬度强度、语言。
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材料
平均次数
测试记录
会显示仪器存储的数据;
仪器会自动存储每一轮测量的数据,最多存储10笔,超过10笔
时会自动覆盖第一笔数据,从头开始记录。
(1) 数据存储记录
1>按 键进入记录详情;
2>按 键选择选项/换页;
3>按 键返回。
02 003 HL
03 004 HL
04 005 HL
01 002 HL
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●【硬度/强度】设为【硬度】时,会显示以下可选材料:
(2) 测试材料设置
1. 钢和铸钢
2. 合金工具钢
3. 不锈钢
4. 灰铸铁
5. 球墨铸铁
6. 铸铝合金
7. 铜锌合金
8. 铜锡合金
9. 纯铜
10. 锻钢
1>按 键,进入菜单页面,系统默认选项为材料,再按
键,进入材料页面;
2>按 键选择材料,按 键确认;
3>按 键返回主界面。
材料
平均次数
测试记录
合金工具钢
不锈钢
灰铸钢
钢和铸钢
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注 意:
1、更改材料设置后,硬度制设置自动恢复为HL。
2、选择硬度制前先选择材料。
材料
平均次数
测试记录
●【硬度/强度】设为【强度】时,会显示以下可选材料:
1. 低碳钢
2. 高碳钢
3. 铬钢
4. 铬钒钢
5. 铬镍钢
6. 铬钼钢
7. 铬镍钼钢
8. 铬锰硅钢
9. 超高强度钢
10. 不锈钢
1>按 键,进入菜单页面,系统默认选项为材料,再按
键,进入材料页面;
2>按 键选择材料,按 键确认;
3>按 键返回主界面。
高碳钢
铬钢
铬钒钢
低碳钢
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注 意:
当【硬度/ 强度】设为【强度】时, 不能再选择硬度制, 所以,
移动光标时, 光标会从【硬度制】选项跳过。
材料
平均次数
测试记录
可以在1~32次范围内修改平均次数。
(3) 平均次数设置
1>按 键进入菜单;
2>按 键选择平均次数选项后,再按 键进入设置
页面,按 键,设置平均次数,再按 键确认。
3>按 键返回主界面。
(4) 硬度模式设置
1>按 键进入菜单;
2>按 键选择硬度选项后,再按 键进入设置页
面,按 键,设置硬度模式,再按 键确认。
3>按 键返回主界面。
冲击方向
校正
硬度
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冲击方向
校正
硬度
(5) 冲击方向设置
1>按 键进入菜单;
2>按 键选择冲击方向选项后,再按 键进入设置
页面,按 键,设置冲击方向,再按 键确认。
3>按 键返回主界面。
冲击方向
校正
硬度
(6) 自动校准
1>按 键进入菜单;
2>按 键选择校正选项后,再按 键进入校准页面,
选择不同的测试点,连续5次加载冲击后,根据所测平均
值和实测值,参照标准硬度值,通过 键分别调整
实测值的3位数值,再分别按 键完成校准确认。
3>按 键返回主界面。
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语言
硬度强度
(7) 硬度/强度设置
1>按 键进入菜单;
2>按 键选择该选项后,再按 键进入设置页面,
按 键,选择硬度或强度制式,再按 键确认。
3>按 键返回主界面。
语言
硬度强度
(8) 语言设置
1>按 键进入菜单;
2>按 键选择语言选项后,再按 键进入设置页面,
按 键,选择中文或ENGLISH,再按 键确认。
3>按 键返回主界面。
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故障现象 原因分析 排除方法
不开机 电池耗尽 及时充电
7.4 自动关机
9.1 冲击装置维护
8. 故障分析与排除
9. 保养和维修
● 仪器具有自动关机功能,以节省电池电能;如果在5分钟内
既没有测量,也没有任何按键操作,仪器会自动关机;
● 当电池电压过低时,仪器会显示 ,然后自动关机。
● 在使用1000-2000次后,要用尼龙刷清理冲击装置的导管及
冲击体,清洁导管时先将支承环旋下,再将冲击体取出,将
尼龙刷以逆时针方向旋入管内,到底后拉出,如此反复5次,
再将冲击体及支承环装上;
● 使用完毕后,应将冲击体释放;
● 冲击装置内严禁使用各种润滑剂。
- 23 -
9.2 仪器维修程序
● 当用标准洛氏硬度块进行检定时,误差均大于2HRC时,可
能是球头磨损失效,应考虑更换球头或冲击体。
● 当硬度计出现其它不正常现象时,请用户不要拆卸或调节任
何固定装配之零部件,填妥保修卡后,交由我公司维修部门,
执行保修条例。
9.3 锂电池充电及保养
● 产品内置3.7V 350mAh 锂电池供电,不可拆卸。当产品不
能开机或显示电量为空格时请及时充电。请使用DC 5V 0.5A
的充电适配器对产品充电,充电接口为Type-C。
● 充电时,电池符号滚动显示。充满电后,电池符号显示为满
格电量。
注 意:
长时间不使用时,先把产品充满电,并每半年再充电一次,以
免电池损坏。
9.4 贮存条件、运输及注意事项
● 贮存时应远离振动、强烈磁场、腐蚀性介质、潮湿尘埃,应
在常温下贮存
● 运输时在保证原包装的状态下,可在三级公路条件下进行。
- 24 -
材料C G E DL
钢和铸钢
HRC
HRC
HRB
HRB
HRB
HRB
HB
HV
HV
HV
HS
HB
HB
HB
HB
HB
HB
HB
HB
HRA
锻钢
灰铸铁
球墨铸铁
铸铝合金
铜锌合金
(黄铜)
铜锡合金
(青铜)
纯铜
附表1
17.9~68.5 19.3~67.9
59.6~99.6
59.1~85.8
127~651
83~976
32.2~99.5
143~650
20.4~67.1
80~898
46.5~101.7
85~655
85~802
93~334
131~387
19~164
23.8~84.6
40~173
13.5~95.3
60~290
45~315
23~210
22.7~85.0 23.8~85.5
127~364
32~168
92~326
80~935 100~941 82~1009
19.8~68.2 20.7~68.2
80~638
80~937
33.3~99.3
80~683
80~996
31.8~102.1
90~646 83~663
84~1042
35.8~102.6
22.6~70.2
81~646
61.7~88.0
47.7~99.9 37.0~99.9
80~950
30.6~96.8
20.0~69.5 22.4~70.7 20.6~68.2
冲击装置
硬度制
合金工具钢
不锈钢
D/DC D+15
- 25 -
序号 里氏硬度 HLD 强度 σ b(MPa)
1
2
3
4
5
6
7
8
9
10
附表2
350~522 374~780
737~1670
707~1829
704~1980
763~2007
721~1875
755~1993
703~1676
1180~2652
844~1933
500~710
500~730
500~750
500~750
500~738
540~738
500~750
630~800
500~710
C 低碳钢
C 高碳钢
Cr 铬钢
CrV 铬钒钢
CrNi 铬镍钢
CrMo 铬钼钢
CrNiMo 铬镍钼钢
CrMnSi 铬锰硅钢
SSST 超高强度钢
SST 不锈钢
材料
- 26 -
附表3
异型冲击装置 D+15 C G E
冲击能量
冲击体质量
11mJ
5.5g/7.2g
11mJ
7.8g
2.7mJ
3.0g
90mJ
20.0g
11mJ
5.5g
球头硬度:
球头直径:
球头材料:
1600HV
3mm
碳化钨
1600HV
3mm
碳化钨
1600HV
3mm
碳化钨
1600HV
5mm
碳化钨
5000HV
3mm
金刚石
冲击装置直径:
冲击装置长度:
冲击装置重量:
20mm
86(147)/ 75mm
50g
20mm
162mm
80g
20mm
141mm
75g
30mm
254mm
250g
20mm
155mm
80g
试件最大硬度 940HV 940HV 1000HV 650HB 1200HV
试件表面平均粗糙度Ra: 1.6μm 1.6μm 0.4μm 6.3μm 1.6μm
试件最小重量:
可直接测量
需稳定支撑
需密实耦合
>5kg
2~5kg
0.05~2kg
>5kg
2~5kg
0.05~2kg
>1.5kg
0.5~1.5kg
0.02~0.5kg
>15kg
5~15kg
0.5~5kg
>5kg
2~5kg
0.05~2kg
试件最小厚度
密实耦合
硬化层最小深度
5mm
≥0.8mm
5mm
≥0.8mm
1mm
≥0.2mm
10mm
≥1.2mm
5mm
≥0.8mm
球头压痕尺寸
硬度300HV
时
硬度600HV
时
压痕直径
压痕深度
0.54mm
24μm
0.54mm
24μm
0.38mm
12μm
1.03mm
53μm
0.54mm
24μm
压痕直径
压痕深度
0.54mm
17μm
0.54mm
17μm
0.32mm
8μm
0.90mm
41μm
0.54mm
17μm
硬度800HV
时
压痕直径
压痕深度
0.35mm
10μm
0.35mm
10μm
0.35mm
7μm
--
--
0.35mm
10μm
冲击装置适用范围
DC 型测量孔
或圆柱筒内;
DL 型测量细
长窄槽或孔;
D 型用于常
规测量
D+15 型接
触面细小,
加长,适宜
测量沟槽或
凹入的表面
C 型冲击力小,
对被测表面损伤
很小,不破坏硬
化层,适合测量
小轻薄部件及表
面硬化层。
G 型测量
大厚重及
表面较粗
糙的铸锻
件
E 型测量硬
度极高材料
DC(D)/DL
- 27 -
12
Z10-15
Z14.5-30
Z25-50
HZ11-13
HZ12.5-17
HZ16.5-30
K10-15
K14.5-30
HK11-13
HK12.5-17
HK16.5-30
UN
附表4
序号 型 号 异型支承环简图 备注
2
3
4
5
6
7
8
9
10
11
1 测 外 圆 柱 面 R10~R15
测 外 圆 柱 面 R14.5~R30
测 外 圆 柱 面 R25~R50
测 内 圆 柱 面 R11~R13
测 内 圆 柱 面 R12.5~R17
测 内 圆 柱 面 R16.5~R30
测 外 球 面 SR10~SR15
测 外 球 面 SR14.5~SR30
测 内 球 面 SR11~SR13
测 内 球 面 SR12.5~SR17
测 内 球 面 SR16.5~SR30
测 外 圆 柱 面 ,半径可调 R10~∞
- 28 -
Contents
User Instruction
1. Packing List
2. Summary
2.1 Product Feature
2.2 Main Application
2.3 Application Range
3. Structural Feature and Working Principle
3.1 The Tester
3.2 Working Principle
4. Specifications
5. Preparation and Checking
5.1 Preparation
5.2 Measuring Method
6. Special Tips
7. Detailed Operations Instruction
7.1 Power on/off
7.2 Product Description
7.3 MENU Function
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30
31
31
31
32
32
33
33
34
34
36
36
37
40
41
41
41
43
- 29 -
7.4 Auto-off
8. Malfunction Analysis and Troubleshooting
9. Maintenance
9.1 About the Impact Device
9.2 About the Device
9.3 About the Battery
9.4 Storage Condition, Transportation and Tips
Attached Table 1
Attached Table 2
Attached Table 3
Attached Table 4
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50
50
50
50
51
51
51
52
53
54
55
- 30 -
User Instruction
4. If there are any troubles on quality, or any doubts about
how to use, please contact that local agent or us, we
will solve it as soon as possible.
5. The warranty service should be paid for any malfunction
beyond the warranty time.
6. The warranty service is not available for any of those
situations that include: disassembling the product by
yourself; transportation damage; improperly keeping;
wrong operation and altering warranty card.
1. Do not disassemble or repair this product by any
means. Reforming is not allowed. Keep it properly from
children and irrelevant people.
2. Do not use it near by plane or medical instrument which
could be interfered by electromagnetic radiation of this
product. Do not use it in flammable and explosive
circumstance.
3. Do not throw away the used battery with the normal
household waste, please deal with it by nation or local
related law and regulations
Please read this instruction intently before
your first utilization.
Product Executive Standard:
JB/T 9378-2001 GB/T 17394.4-2014
Note: the product appearance is subject to the material object,
the picture in the instruction is for reference only.
- 31 -
1.Packing List
Standard configuration
No. Names
The tester 1pc
1pc
1pc
1pc
User manual
Container
USB Type-C cable
Quantity Remark
1
2
3
4
2.Summary
● Small size and portable;
● Black and white dot matrix backlit screen;
● Chinese & English display interface;
● Powered by lithium battery;
● DC5V 1A Charging Type-C port;
● Test hardness according to leeb hardness testing
principle. Available for many kinds of metal material
● Switch between six hardness units (HL, HRB, HRC, HB,
HV, HS, HRA);
● Functions of dormancy, auto-off for power save;
● Software calibration function.
2.1 Product Feature
Please check your accessories according to the below
list. If there is anything missing, please contact the local
agent or manufacturer immediately.
- 32 -
2.2 Main Application
● Quick testing on many spots of heavy and thick
work-pieces on a large-scale;
● Bearings and other parts;
● Quality control of heat treated parts;
● Hardness testing on lathe guide,automotive chassis;
● Installed machinery or permanently assembled parts;
● Work-piececs with small space, like mold cavity;
● Failure analysis of pressure vessel, steamer motor
and its parts;
● Request for standard original record of testing results;
● Material differentiation of metallic warehouse.
2.3 Application Range
● Refer to attached 1 and 2
- 33 -
1. Release button
2. Load-adding sheath
3. Conduit
4. Back-up ring
5. Down key
6. Up key
7. MENU
8. Back-up ring
9. LCD display
10. Type-C charging port
3.1 The Tester
3.Structural Feature and
Working Principle
1
2
3
4
5
6
7
8
9
10
- 34 -
3.2 Working Principle
Under the action of elastic force, the impact body with
defined quality impact the surface of sample with a given
speed, the hardness value is the ratio of between
rebound velocity in where the head had 1mm distance
with the surface of sample and impact velocity.
Calculation formula as follows:
HL=1000 * VB / VA
In this formula:
HL—Leeb hardness value
VB—the rebound velocity of the
impact body
VA—the impact velocity
The output signal refers to the
demonstrating chart in right side:
A
B
time
impact period rebound period
4.Specifications
● Reading error and repeatability(chart 2)
No.
1 ±6 HLD
±10 HLD
6 HLD
10 HLD
760±30HLD
530±40HLD D
2 ±6 HLDC
±10 HLDC
6 HLDC
10 HLDC
760±30HLDC
530±40HLDC DC
3 ±12 HLDL 12 HLDL 878±30HLDL
736±40HLDL DL
4 ±12 HLD+15 12 HLD+15 766±30HLD+15
544±40HLD+15 D+15
5 ±12 HLG 12 HLG 590±40HLG
500±40HLG G
6 ±12 HLE 12 HLE 725±30HLE
508±40HLE E
7 ±12 HLC 12 HLC 822±30HLC
590±40HLC C
Impactdevice Type
Hardness Value
for Standard Leeb
Hardness Sample
Reading
Error
Reading
Repeatability
- 35 -
● Technology specifications
1.77 inch 128*64 black and white dot matrix screen
Chinese/English
Standard type D
170~960HLD
±6HL @760HLD,±10HL @530HLD
Optional
Vertical down, diagonal down, horizontal,
diagonal up, or vertical up
Steel and cast steel, Alloy tool steel, Stainless steel,
Gray cast iron, Nodular cast iron, Cast aluminum alloy,
Copper-zinc alloy (Brass), Copper-tin alloy (Bronze),
Copper, Forged steel
Low carbon steel, High carbon steel, Chromium
steel, Chromium vanadium steel, Chromium nickel
steel, Chromium molybdenum steel, Chromium
nickel molybdenum steel, Chromium manganese
silicon steel, Ultra high strength steel, Stainless steel
HL, HB, HRB, HRC, HRA, HV, HS
Built-in 350mAh lithium battery
11 hours
DC 5V 500mAh Type-C USB port
No strong vibration, strong magnetic field, corrosive
medium and serious dust in the surrounding environment
0℃~40℃,10% ~ 80%RH
-10℃~50℃,10% ~ 70%RH
165 x 42 x 27.5mm
Display screen
ITEM SW-6200
Language
Impact device
Measuring range
Reading error
Standard
hardness sample
Measuring
direction
Hardness
measuring
material
Intensity
measuring
material
Hardness unit
Battery
Battery
working life
Charging
specification
Work
environment
Working temperature
and humidity
Storage temperature
and humidity
Dimension
- 36 -
5.Preparation and Checking
5.1 Preparation
(1) The surface condition of sample should
be eligible in attached table 3:
● Curved sample: It's better that the tested face is plane.
Small or shaped back-up ring is used for samples of
which the radius of curvature is below 30mm(D, DC,
D+15, C, E, DL type impact device) and below 50mm
(Gtype impact device);
● Request of sample weight: No back-up for the sample
when its weight is greater than 5kg; Back-up support for
samples with the weight of 2-5kg, overhanging part or
thin-wall samples, in order not to cause sample's
transformation, bend and movement. For middle size
sample, put it over flat, solid surface completely reposefully.
● The temperature on the surface should be below 120℃;
● The tested surface must have metallic luster and be flat,
smooth, and no greasy dirt;
- 37 -
● The proper thickness is requested and the minimum
thickness should be eligible in attached table 3;
● The hardened layer of samples should be eligible in
attached table 3;
● Coupling: The light-duty sample must be coupled
tightly with solid bearing part, the coupling surfaces
with a little coupling agent should be flat,smooth, and
are vertical with testing direction. For extensive sheet
material, pole and curved samples, strengthen or
support the tested spot on back for accurate testing
value, in spit of its high weight and large thickness
which can cause transformation and unstability;
● The sample's magnetism should be below 30 gauss.
5.2 Measuring Method
First, use random hardness test block for verification,
the reading error and repeatability should be below the
defined value in chart 2.
Attention:
The hardness value of the random hardness test block
is the arithmetic mean value of five readings, those
readings comes from the calibrated Leeb hardness
tester which test in straight down direction.
Standardize it with calibration function if this mean
value is out of limits.
(2) Testing Condition Setting: Refer to
< 7.3 chapter >
- 38 -
(1) Activation
● Short press key to start to test.
● Push the load-adding sheath down to lock the impact
body and complete the loading .
(2) Loading
(3) Location
● According to the chosen testing direction, press tightly
the back-up ring on the sample's surface which is
vertical with the impact direction. BRONZE
- 39 -
● To special material, comparative trial is necessary for
related conversion relation which is to converse
accurately Leeb hardness value into different hardness
value. The way is: utilize standardized Leeb hardness
tester and related tester on one same sample. For every
single hardness value, five tested value are needed
homogeneously around over three hardened indentation
spots, use the mean value of Leeb hardness value and
related mean value to make comparative curve which
at least need over three group datum.
(4) Testing
● Press the release button to test. The sample, the
impact device and operator, all should be unmovable
and jarless, and the force direction should go through
the device's axis;
● Each single spot should be tested for five times.
The difference value should not beyond ±15HL of the
mean value;
● The distance between any two indentation centers or
any indentation center and the edge of sample should
be eligible in chart 3;
Impact device
type
distance between
any two indentation
centers
distance between
indentation center
and edge of sample
no less than (mm) no less than (mm)
D、DC 3 5
DL 3 5
D+15 3 5
G 4 8
E 3 5
C 2 4
- 40 -
6. Special Tips
(5) Tested Value
● Leeb hardness testing value is a mean value of many
valid tested value.
● The hardness value shows before the Leeb hardness
unit HL, different value for different impact device.
● In general, the current reading can not be saved if the
set impact times are not reached;
● Can not set Hardness pattern(the cursor automatically
skips the Hardness pattern) when Intensity pattern is
already set;
● Not all materials are useful for all hardness patterns,
it will converse into Leeb HL automatically if material
is changed. So the first setting of testing conditions is
to set Material, then Hardness pattern.
● Currently, this device only support D type impact device,
please do not use others;
- 41 -
7.2 Product Description
On screen is the main display interface after power-on,
as follows:
7.Detailed Operations Instruction
7.1 Power on/off
On: Short press key to start the device;
Off: Long press key for two seconds to power off.
Long press key for four seconds to restart;
Auto-off: Auto-off without operations in five minutes.
Forced shutdown: Long press for more than ten
seconds to shut down.
impact time
REC 3/5 AVG
HL
789
791 790
792 BRONZE
impact direction
hardness unit
material
the mean value battery power
the current tested value
- 42 -
(1) Instruction About the Main Interface
(2) Operation
Battery power: Left power
Impact direction: Current impact direction
Mean value: Current mean value
Hardness unit: Current hardness unit of reading
Tested value: Current single tested value
Material: Current set material
Impact time: It's the whole impact time in testing
mode that is completed.
Go through testing in main interface where shows the
current tested value and mean value, the impact time
increase by 1 at the same time. The device sounds
\"beep beep\" when the impact time goes up to limit that
is set.
- 43 -
In the main interface state, short press key to enter
the menu. There are six menu options. TEST RECORD
is the default option for entering the menu.
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
UNIT
DIRECTION
CALIBRATION
HARDNESS/STRENGTH
1>Press key to enter the menu;
2>Press key to select options;
3>Press key to return to the main interface.
Attention:
For special material, this conversion is a relative
relation based on lots of tests of Leeb and others
hardness. According to this relation, the device
automatically converse Leeb hardness value into
others hardness value.
7.3 MENU Function
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
- 44 -
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
Display the stored data;
The instrument will automatically store the data of each
measurement. It stores a maximum of 10 units data,
more than 10 will automatically overwrite the first data,
record from scratch.
(1) Data storage record
1>Press key to enter Record details;
2>Press key to select options/change pages;
3>Press key to return.
02 003 HL
03 004 HL
04 005 HL
01 002 HL
- 45 -
1>Press key to enter the MENU page. The default
option is MATERIAL. Press key again to enter
the MATERIAL page;
2>Press key to select material, and press
key to confirm;
3>Press key to return to the main interface.
●【HARDNESS/STRENGTH】 The following optional
materials are displayed when HARDNESS is set:
1. ST & CST
2. CWT ST
3. SS
4. GC IRON
5. NC IRON
6. C ALUM
7. BRASS
8. BRONZE
9. COPPER
10. FORGED ST
(2) Testing Material Setting
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
1 ST & CST
2 CWT ST
3 SS
4 GC IRON
- 46 -
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
Attention:
1. The hardness unit converse into HL unit automatically
after changing material setting.
2. Please set material, then hardness unit.
●【HARDNESS/STRENGTH】 The following optional
materials are displayed when STRENGTH is set:
1. MILD ST
2. HC ST
3. CR ST
4. CRV ST
5. CRNI ST
6. CRMO ST
7. CRNIMO ST
8. CRMNSI ST
9. SSST
10. SS
1>Press key to enter the menu page. The default
option is MATERIAL. Press key again to enter
the MATERIAL page;
2>Press key to select material, and press
key to confirm;
3>Press key to return to the main interface.
1 MILD ST
2 HC ST
3 CRV ST
4 CRNI ST
- 47 -
TEST RECORD
MATERIAL
AVERAGE OF COUNTS
(3) Average Time Setting
Alter average time in the range of 1~32 times.
1>Press key to enter the menu;
2>Press key to select AVERAGE OF COUNTS
and then press key to enter the setting page.
Press key to set the average time and then
press key to confirm.
3>Press key to return to the main interface.
(4) Hardness Pattern Setting
1>Press key to enter the menu;
2>Press key to select UNIT and then press
key to enter the setting page. Press key to set
the hardness pattern and then press key to confirm.
3>Press key to return to the main interface.
UNIT
DIRECTION
CALIBRATION
Attention:
Can not set Hardness
pattern(the cursor
automatically skips the
Hardness pattern)
when Intensity pattern
is already set;




