Paper Roll Gripper Cranes

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Paper Roll Gripper Cranes

Loading Capacity:
2t-15t
Span:
20m〜35m (Longer spans can be customized designed and manufactured)
Working class:
Class E, Class F

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inquiry@clescrane.com

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+86 13523501202

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INTRODUCTION

Overview

The crane structure and electrical control system are strictly designed in accordance with the CMAA70-2020 standard. It is suitable for 24/7 continuous operation, featuring high safety factors, strong structural integrity, excellent fatigue and impact resistance. The system is primarily operated in fully automatic mode but can also be remotely controlled manually in emergency situations.

The automatic crane is equipped with six evenly distributed friction pads to lift paper rolls gently and smoothly, ensuring minimal deformation or damage to the rolls. Fifteen sensors, functioning like a neural network, continuously monitor and report the operational status of the equipment—delivering safety and reliability throughout. It is suitable for handling various grades and sizes of paper rolls, both wrapped and unwrapped. The short clamping stroke maximizes warehouse space utilization. One-stop rail transportation reduces both handling time and logistics costs. With an electromechanical structure, the gripper maintains a self-locking grip even during power outages, enabling the system to securely hold paper rolls indefinitely.

CMAA standard

Class A – This denotes standby or infrequent usage, such as cranes found in power utilities or motor rooms, where precise handling of equipment at slow speeds with long idle periods between lifts occurs.
Class B – This denotes light service, such as cranes used in repair shops or light warehousing, at slow speeds, with up to five lifts per hour up to maximum rated capacity.
Class C – This is for moderate service, such as those cranes installed in machine shops, including handling an average of 50% of the rated capacity up to 10 times per hour.
Class D – This is for denoting heavy service, such as cranes deployed in heavy machine shops, foundries, container yards, and more, where loads of 50% of the rated capacity are handled constantly.
Class E – This is for severe service, such as cranes found in scrap yards, cement mills, lumber mills, and more, where the crane makes 20 or more lifts per hour at or near its rated capacity.
Class F – This denotes continuous severe service, including custom-designed specialty cranes, that handle loads approaching the maximum rated capacity non-stop under extreme conditions.