• Model NO.：HJ-68
• Accuracy Grade：No
• Load Way：Electronic Load
• Loading Method：Static Load
• Display：Digital
• Control：Touch Screen Controller
• Weight：40kg
• Power Source：AC220V
• Oil Cylinder Position：No
• Transport Package：Fumigation-Free Standard Export Wooden Box
• Trademark：Hongjin
• Origin：China
• Production Capacity：1000 Sets, Month

Basic Info.

Model NO. HJ-68 Accuracy Grade No Load Way Electronic Load Loading Method Static Load Display Digital Control Touch Screen Controller Weight 40kg Power Source AC220V Oil Cylinder Position No Transport Package Fumigation-Free Standard Export Wooden Box Trademark Hongjin Origin China Production Capacity 1000 Sets/ Month

Product Description

This machine is used to measure the concave hardness of porous elastic materials. It can measure the polyurethane sponge foam samples and carry out the tests specified in the national standards, and accurately measure the indentation hardness of sponges, foams and other materials. It can also be used to measure the specified indentation hardness of the produced seat foam (such as backrest, seat cushion foam, etc.), and accurately measure the indentation hardness of each foam part of the seat.

1. Purpose:
This machine is used to measure the concave hardness of porous elastic materials. It can measure the polyurethane sponge foam samples and carry out the tests specified in the national standards, and accurately measure the indentation hardness of sponges, foams and other materials. It can also be used to measure the specified indentation hardness of the produced seat foam (such as backrest, seat cushion foam, etc.), and accurately measure the indentation hardness of each foam part of the seat.

2. Principle:
Sponge foam compression stress test The sample is placed between the upper and lower platens, and the upper platen compresses the sample of a certain size downward at a specified speed to the concavity specified by the A method (B method, C method) required by the national standard. When the load cell on it feeds back the sensed pressure to the controller for processing and display, the indentation hardness of materials such as sponge and foam can be measured.

3. Features
1. Automatic reset: After the computer receives the test start command, the system will automatically reset.
2. Automatic return: After the sample is broken, it will automatically return to the initial position.
3. Automatic shifting: According to the size of the load, different gears can be switched to ensure the measurement accuracy.
4. Change the speed: This machine can change the test speed arbitrarily according to different samples.
5. Indication calibration: the system can realize accurate calibration of force value.
6. Control method: Test methods such as test force, test speed, displacement and strain can be selected according to the test needs.

control method	touch screen control
capacity	200KG
upper platen	Diameter 200mm, bottom rounded corner R1m
off the platform	420×420mm, air hole diameter 6mm, spacing 20mm
Maximum stroke	200mm
Power source	Servo motor
power supply	Single phase, 220V, 50Hz/60Hz, 2.5A
Test speed	100±20mm/min
Induction method	Precision load cell
Unit switching	Kg, N, LB
weight	160KG
transfer method	Precision Ball Screw

      FAQ

1. Do you offer after-sales service? How can I ask for that? And how about the warranty?
   Every machine from our factory has a 12-month warranty after shipment. Generally,we offer 12 months for the FREE maintenance, while considering of sea transportation,If your machine doesn't work, you can send E-mail to us and we will try our best to find the problem by email or skype video chat if neccesary. After confirmation of the problem,we can send you new spare parts or provide on-site repair.
   
   2.. What's the delivery term?
   At most of time, we have stock in the factory. If there is no stock, normally, the delivery time is 7-20 working days after deposit receipt. If you are in urgent need, we can consider making a special arrangement for you.