Raw Material Diameter Range (mm) Φ6~Φ32
Raw Material Length (mm) ≥1400
Tensile Strength (M pa) ≤1100
Surface Hardness ≤HB320
Curvature (mm/m) ≤1.5
Diameter Tolerance according to GB 702-88 second group
Roundness(mm) ≤50% of diameter tolerance
Surface Roughness (Ra) ≤25～50mm
Finished Goods Diameter Range (mm) Φ5.5~Φ30
Unilateral Cutting Depth (mm) 0.2~1.0
Diameter Tolerance ≤IT9 (standard tolerance grade)
Surface Roughness (Ra) ≤6.3μm
Roundness (mm) ≤0.03
Feeding Cutting Speed (m/min) 1.0~8.0(for continuous chips and high strength and hardness should reduce the speed)
Cutter Head Rotational Speed(rpm) 900-2500
Main Machine Motor Power (KW） 30 (2 Poles)
Auxiliary Machine Motor Power(KW) 4 X 2（4 Poles）
Yantai Haige Machine Tools Co., Ltd (original Yantai Ruihai Machinery Co., Ltd) is a professional company engaged in producing finishing equipment and processing equipment of bright material, such as centerless lathe (commonly known as peeling machine or flaying machine), straightening machine, abrasive belt grinder (buffing machine), screw whirling mill and their auxiliary machines. It is an innovative and high technology enterprise, which integrates research and development, production and sale of finishing equipment for professional slender axles.
The company is equipped with specialized technical research and development department, and its ability of research and development, configuration of software and hardware and scale of personnel rank first in the industry. From design concept, technological level, production scale, quality in use to after-sale service, the company attains domestic leading level. It owns professional factories for machining and assembling, and full set of advanced equipment of precision machining, so it can produce high-precision core components by itself. Further more, the company possesses abundant ability of research and development, and perfect after-sale service system.
The company regards quality of products as the life. It has passed ISO9001 international quality system certification, and strictly enforces the ISO9001 international quality management system. Dependent on strong software and hardware facilities and strict quality control, the company has passed the acceptance of State Administration for Entry-Exit Inspection and Quarantine Bureau, and furthermore, centerless lathe and straightening machine have won the Export License of Product Quality.
Diameters of products manufactured by the machine vary from Φ5mm to Φ350mm. The company can contract for full-set planning, design and manufacture of metal bar, tubing, and finishing line of wire rod, and meet the needs of customers at different levels. We are able to help users achieve digitization and automation control and management. We can also meet the needs of larger enterprises at home and abroad, and enterprises which require the equipments have higher degree of automation, to fundamentally enhance users’ production efficiency and product quality.