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便携铅笔硬度计

铅笔硬度计是专业检测仪器,涂膜硬度是涂料制造、涂料使用(涂表)行业进行质量认定的必测指标。

  • 型号:QHQ-A

  • 产品参数
  • 型号:QHQ-A

 

便携铅笔硬度计是专业检测仪器,涂膜硬度是涂料制造、涂料使用(涂表)行业进行质量认定的必测指标。铅笔划痕法测试涂膜硬度是八十年代以来被国际普遍采用的测试方法。我国也已在涂料的发展研究和工业生产中推广这种测试方法。本仪器是根据国家标准“涂膜硬度铅笔测定法”《GB6379----86》第2  3  条手工操作法而设计制造的。仪器即可在实验室使用,也可用也施工现场,并能在任意方向上对涂膜硬度进行检定。

The pencil hardness tester is a professional testing instrument, and the hardness of the coating film is a necessary measure for the quality certification of the paint manufacturing and coating use (coating) industries. The pencil scratch test method is a test method commonly used internationally since the 1980s. China has also promoted this test method in the development of coatings and industrial production. The instrument is designed and manufactured according to the national standard "coating hardness pencil method" and "GB6379----86" manual 23 method. The instrument can be used in the laboratory or on the construction site, and the hardness of the film can be verified in any direction.

 

便携铅笔硬度计结构及工作原理

仪器为机械式,三点接触被测表面(二点为轮,一点为铅芯)始终保证铅笔与被测表面形成45° 夹角,用于推动仪器运动,即可完成测试过程。

Pencil hardness tester structure and working principle:
The instrument is mechanical, three-point contact with the surface to be tested (two points for the wheel, one point for the lead core) always ensures that the pencil forms an angle of 45° with the surface to be measured, which is used to push the instrument to move, and the test process can be completed.

 

便携铅笔硬度计技术参数
★笔尖重负:750±5g。
★铅笔规格:6B~HB~6H(13支)。
★重 量:1.9Kg。
★外形尺寸:120×75×60mm(长×宽×高)。
★笔尖重负:500±5g。
★铅笔规格:6B~HB~6H(13支)。
★重 量:1.6Kg。
★外形尺寸:90×75×60mm(长×宽×高)。
★笔尖重负:1000±5g。
★铅笔规格:6B~HB~6H(13支)。
★重 量:2.4Kg。
★外形尺寸:130×75×60mm(长×宽×高)。

Pencil hardness tester technical parameters:
★ The tip of the pen is negative: 750±5g.
★ Pencil specifications: 6B ~ HB ~ 6H (13).
★ Weight: 1.9Kg.
★ Dimensions: 120 × 75 × 60mm (length × width × height).
★ The tip of the pen is negative: 500±5g.
★ Pencil specifications: 6B ~ HB ~ 6H (13).
★ Weight: 1.6Kg.
★ Dimensions: 90 × 75 × 60mm (length × width × height).
★ The tip of the pen is negative: 1000±5g.
★ Pencil specifications: 6B ~ HB ~ 6H (13).
★ Weight: 2.4Kg.
★ Dimensions: 130 × 75 × 60mm (length × width × height).

 

便携铅笔硬度计重量

★笔尖荷重500g的硬度计,没包装前重量为2kg。加上泡沫纸皮等外包装应该是2.5kg重量。

★笔尖荷重750g的硬度计,没包装前重量为2.4kg。加上泡沫纸皮等外包装应该是3kg重量。

★笔尖荷重1000g的硬度计,没包装前重量为2.5kg。加上泡沫纸皮等外包装应该是3kg重量。

Pencil hardness tester weight
★ The hardness tester with a pen tip load of 500g, the weight before the package is 2kg. The outer packaging such as foam paper should be 2.5kg weight.
★ The hardness of the pen tip load of 750g, the weight before the package is 2.4kg. Plus the outer packaging of foam paper and other should be 3kg weight.
★ The hardness tester with a pen tip load of 1000g, the weight before the package is 2.5kg. Plus the outer packaging of foam paper and other should be 3kg weight.

 

便携铅笔硬度计操作规程
A准备
★按GB1727要求准备120*50*(0.2-0.3)平滑马口铁板或按产品规定的底材,制备涂膜。
★用铅笔刀把每支铅笔前端削去木质部分,露出5-6mm柱状笔芯(注意铅笔芯不可松动或削伤铅芯),用手握住铅笔,使铅笔始终与400号砂纸成90°角,在砂纸上摩擦铅芯端面,直到获得一端平滑边缘锐利的笔端为止(边缘要无破碎或缺口)
★把削好的铅笔插入铅笔架上。调整铅笔,使铅笔芯工作端面与砝码重心重合(相应铅芯工作端面与铅笔架约25mm),然后用螺钉拧紧,使铅笔位置固定。
★松开夹紧螺母,放入需测定的涂膜试片,然后拧紧螺母,使试片固定。
★松开止动螺钉,调整平衡锤,使工作杆平衡(即使铅笔刚好接触到试片上),然后拧紧止动螺钉,使铅笔芯工作面离开涂膜试片。
★把砝码轻轻放在铅笔架上。
B 测试
★松开止动螺钉,使铅笔芯轻轻降下到被测涂膜试片上。
★转动手轮,使涂膜板朝划痕方向移动大约5mm(顺时针转动手轮),并留意观察表面是否划破。
★取下砝码,更换铅笔,旋动试台旋扭,使试验台纵向移动一定距离更换试片划痕位置,重复准备操作后,再做下一次试验,依次用每种型号硬度的铅笔一次犁出五道痕迹。
★从a硬的铅笔开始用此方法,当鉴定五道痕迹中,若有两次或两次以上犁伤膜时,换上一级的铅笔,直到找出五道痕迹中,只有一次犁伤涂膜的铅笔(或没有破坏)。则这一级铅笔的硬度值就代表被测涂膜的硬度。

Pencil hardness tester:
A preparation
★ Prepare 120*50*(0.2-0.3) smooth tinplate or according to the product specified in GB1727 to prepare the coating film.
★ Use a pencil sharpener to cut the wooden part from the front end of each pencil to expose a 5-6mm cylindrical refill (note that the pencil lead should not be loose or scratched), hold the pencil with your hand, so that the pencil is always at a 90° angle to the 400 sandpaper. Rub the lead end face on the sandpaper until the end of the pen with a smooth edge at one end is obtained (the edge is not broken or notched)
★ Insert the sharpened pencil into the pencil holder. Adjust the pencil so that the working end of the pencil lead coincides with the center of gravity of the weight (corresponding to the working edge of the lead core and the pencil holder about 25mm), and then tighten with screws to fix the pencil position.
★ Loosen the clamping nut, put in the test piece to be measured, and then tighten the nut to fix the test piece.
★ Loosen the set screw, adjust the balance weight, balance the work bar (even if the pencil just touches the test piece), and then tighten the set screw to leave the pencil lead working face away from the film test piece.
★ Gently place the weight on the pencil holder.

B test
★ Loosen the set screw and lower the pencil lead gently onto the test piece of the test film.
★ Turn the handwheel to move the film plate about 5mm in the direction of the scratch (turn the handwheel clockwise) and pay attention to whether the surface is scratched.
★Remove the weight, change the pencil, rotate the test bench, and make the test bench move a certain distance to change the scratch position of the test piece. After repeating the preparation operation, do the next test, and then use the pencil of each type hardness once. Plow five traces.
★ Use this method from a hard pencil. When identifying five traces, if there are two or more plows, replace the pencil with one level until you find one of the five traces. Film coated pencil (or no damage). Then the hardness value of this grade pencil represents the hardness of the film to be tested.

 

 

 

 


便携铅笔硬度计

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