Corrugated Rolls by HaiLi

Haili Corrugated Rolls owns the world class CNC hard chrome plating production line specialized for corrugated rolls manufacturing, meanwhile, HAILI adopts the world’s strongest functional and efficient HEEF-25 hard wearable chrome plating techniques to make the wearability of the corrugate rolls to be world class level.

By paper transfer: Inner suction mode, Outer suction mode and Over pressure mode
By heating and draining: Traditional siphon intake mode, Flume siphone intake mode, Peripheral heating mode

• Gear teeth height limits of deviation ≤ 0.02 mm
• Addendum circle runout tolerance ≤ 0.025 mm
• Tooth thickness tolerance ≤ 0.015 mm
• Tooth profile limits of deviation ± 0.02 mm
• The tooth ank of axis parallelism limit deviation ≤ 0.02 mm
• Addendum cylindrical generatrix straightness ≤ 0.02 mm
• Teeth equal extreme deviation ± 20
• Tolerance of the crown axis = crown volume ± 5%
• Ra ≤ 0.8 µm

Chrome/ Tungsten Carbide CR

Special structured CR

HAILI CORRUGATED ROLL (CHANGZHOU) MANUFACTURE CO., LTD, established in the end of 2015, is a professional corrugated roll manufacturer reborn by the complete taken over of “HAILI CORRUGATED ROLL” by BHS GROUP also gets fully supported by BHS.

HAILI CORRUGATED ROLL, who owns a professional design and develop team with rich experiences in corrugating industry, adopts the most advanced technologies to sure that each of our technical design for customers can help them to gain best benefits and create new competitive advantages.

HAILI CORRUGATED ROLL (CHANGZHOU) MANUFACTURE CO., LTD, with an over 6000 rri workshop, has the most advanced full automatic CNC grinding machines for corrugated rolls, American JP8000 supersonic ame thermal spray machine for tungsten carbide corrugating rolls, one and only CNC chrome plating machine in China, first and only Germany imported ZEISS three coordinate measuring platform for the quality check and control of corrugate rolls in China, CNC controlled mid frequency quenching and automatic welding equipment, moreover, HAILI also has the world class advanced 5 meter CNC machining center.