GRIZZLY Sliding Door GS45A

GS45A | GRIZZLY Sliding Door

Smooth & Simple, Grizzly High-efficiency Automatic Door

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The entrance to a company is as important as the first impression of a new acquaintance. Grizzly Automatic Doors are the doors of choice in providing the very best impression to your customers.

The simple, innovative GS45A series sliding door is a high-efficiency automatic door which demonstrates the miraculous match of agility and stability.

In order to meet needs of different automatic-door markets, Grizzly GS45A series offers two specifications, Standard type (GS45A-S) and European type (GS45A-E), which can provide different services for customers according to their needs and living environments. In addition, each type of door is produced in several models, including two operation speeds and three load capacities. For the operation speeds, GS4545A operates at speed 45cm/sec, whereas GS4560A operates at 60cm/sec; “Light”, “Medium”, and “Heavy Load” indicate the door weights that the models can carry.

For the door itself, customers can choose from a variety of designs in accordance with different visitor flows and various weights of doors (depending on size and materials).

Powerful Grizzly Motor

A high-performance sliding door needs an efficient motor with high torque to guarantee fast and stable opening and closing.

Grizzly has been dedicated to the development of electrical motors for decades. The motors which we produce always provide high efficiency, high torque and low cogging torque in order to maintain stable and smooth operation. Our motors have obtained patents in many countries. Such a robust core mechanism is certain to bring you the best quality of service and long-term performance.

(USA Patent No. is US 6,404,095 B1)

Simple operation & advanced technology

  • Advanced servo control system technology

  • Visitor bell, reset test chime and trouble alarm

  • High performance PM brushless motor with invention patent

  • Durable and anti-rust stainless steel rail

  • Self-cleaning brush for rail

  • Self-monitoring device controlled by micro processor

  • Safety sensing mechanism to stop door closing if object caught in doors

SKU: GS45ACategories: Grizzly Automatic Doors

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Grizzly SAFE-GLIDE™ concept

SAFE-GLIDE™ system is one of the main concepts of the Grizzly design principle. It provides the safest door operating environment, offering pedestrians the best prevention of door collision (Auto Reverse System).

▢ Full Range Reverse

The doors will return to the open position no matter where they encounter an object (larger than the closing gap of 1.5cm/leaf), and will re-close at speed 12cm/sec/leaf after 20 seconds.

▢ High Sensitive Reverse

The doors will re-open when detecting low catchments force from 6 to 12 kgf at closing speed 12cm/sec. (measured by PUSH-PULL SCALE)

AUTO REVERSE

Grizzly Durable Stainless Steel Rail

The stainless steel rail (obtained multinational patents) is highly resistant to damage and abrasion caused by everyday use, and can withstand the heavy load of doors as well as the friction between the roller and track in long-term usage.

Grizzly Self-cleaning Mechanism

The hanger block is equipped with a plastic brush (obtained multinational patents) which cleans the rail during each opening and closing in order to keep the rail and guiding wheel free from dust and dirt. This consequently prolongs the life of the door even in the dustiest environments.

GS45A / 2

Advanced Technology & Advantages With Peculiar Design

Grizzly Closed Loop Servo Control System

The Grizzly Closed Loop Servo Control System has high sensitivity which can detect minute changes occurring in the operation and provide adequate feedback control: For example, with a strong wind, the air pressure will slow down the door’s moving speed; at this moment, the Closed Loop Servo Control System will transmit a signal to slightly increase the motor power in order to maintain the prefixed operating speed.

Repeated operation of the door could cause temperature rise and damper decrease in the motor, which could potentially cause the system to loose control of the closing speed of the door. Through the Closed Loop Servo Control System, however, the door can monitor the speed of the motor to ensure the stable operation of the doors, avoiding any possible defective situation and door collision.

▢ Traditional open loop system (semi-computerized control)

  • Diagram: Control Panel ➔ Output signal ➔ Motor

▢ Brand new closed loop servo control system (fully computerized control)

  • Diagram: Control Panel ➔ Compensated signal ➔ Motor ➔ Feedback signal ➔ Control Panel

Electronic Motor-Lock

Electronic Motor-Lock (optional) is directly driven by the control panel, to lock the door when desired. Unlike the traditional mechanical lock, the electronic motor-lock can avoid noise when the door is locked as well as mechanical abrasion from frequent operation in daily use, providing a durable and reliable security system for automatic doors.

image of grizzle sliding door gs45a

Door Lock Signal Diagram

  • Control Panel ➔ Door Lock Signal ➔ Motor ➔ Door ➔ Lock Mode ➔ Control Panel

Special Features of the Hanger Block

▢ Double bearing mechanism

The Hanger Block with twin rollers is capable of reducing the bearing friction and loading in door movement. In case the door is bumped, each roller has two bearings to withstand lateral pressure, keeping the door in normal operation.

(Diagram label: Each roller has two bearings)

▢ Adjustable carriage mechanism

The hanger block is designed in two parts that can be flexibly raised a few centimeters in order to adjust the door height. By unscrewing the two screws of each carriage, the door is allowed to easily slide upwards and downwards to adjust its height to fit the installation environment. For a bi-parting door system, furthermore, the mechanism can adjust the gap between doors by simply aligning the carriage to ensure the perfect fitting of the two frames.

▢ Automatic Balance Mechanism

The seesaw roller, on the back of the hanger, can immediately self-adjust to maintain balance in door operation. One of the rollers is always assured of attachment to the track to prevent the door from derailing.

(Diagram label: Self-balance mechanism)

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