13 Years Manufacturer stainless steel dics/circle to St. Petersburg Manufacturers

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We always think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body and the living for 13 Years Manufacturer stainless steel dics/circle to St. Petersburg Manufacturers, We hope to establish more business relationships with customers all over the world.

stainless steel dics/circle

Stainless steel circle/dics 410 430 304 316 310


1.Products details




1. material:202,304, 410.409,430 201,316 ect




2. Finish: 2B, 2D, No.4, BA, 8K, HL and so on




3. Thickness: 0.15mm to 2.0mm

202 stainless steel discs and 304 stainless steel discs are our professional discs




4. Diameter:max 1000mm


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  • FAQ Content

  • In the ninth video of this LS1 Rebuild video series, I install the oil galley plugs, cam shaft, lifters, lifter trays, timing chain, oil pump, windage tray, pick up tube, oil pan, heads, push rods and rocker arms.

    You can help me make better videos and start new projects:


    Check out the builds!
    Chevy K20 Playlist – https://www.youtube.com/playlist?list=PLRmA8Zt7bgfsnpd336knmDQ3ooKh7sxsk

    Chevy K10 Playlist – https://www.youtube.com/playlist?list=PLRmA8Zt7bgfuZfWVz9S_wFVp19XLTz7kf

    Complete LS1 Rebuild Playlist – https://www.youtube.com/playlist?list=PLRmA8Zt7bgfuExbhaEAq4EDmRj201edyi

    Installation in factory on-site, self adjusting pipe turning roll.
    We manufacture the high quality rotators which are been used with various processes such as SAW / TIG / MIG / ARC etc.,

    Bota ESSEN Fair 2015: https://youtu.be/MLctSwjLkEc
    Follow Linkedin: https://cn.linkedin.com/in/weldingcutting

    Bota ESSEN Welding Fair 2015: https://youtu.be/MLctSwjLkEc

    capacities upto 2000 Toons.. Steel rollers or polyurathene lined rollers are provided as per application. For higher capacity rotators forged rollers are provided.

    • Our standard Rotators consists of Drive Unit and Idler Unit. The frame and rollers brackets our fabricated rollers heavy section, stress relieved
    and precision machined.
    • Overload disc to protect polyurethene roller
    • Steplessely variable surface speed from 75 to 1500 mm/m or higher ratio and controlled through AC Variable Frequency Drives. For precision movement
    encoder feedbacks are provided on case to case basis
    • Forward and Reserve rotation along with inching facility on panel.
    • Operator pendant or forward / reserve inch or run speed varition ans stop functions
    • Self Aligning, Self Centering, Manual Adjusting type (Coupling Shaft) with single motor and special custom based rotators other classifications suiting to
    different requirements and covers entire range upto 2000 Ton Capacity.

    Welding of Pipes, API pipes, Boilers, Heat exchagers, Pressure Vessels, Mounted vessels, LPG Bullets, Barrels, Tanks etc.
    • An indispensable tool for shell fabrication shops
    • Attains exceptional Quality circumferenatial joints on shells.
    • Increased production with reduced labour skill.
    • Leads to minimum handling the shell / Job.
    • Lesser usage of crane reduces idle time.
    • Improves plant efficiency.
    • Welding automation.
    Catalogue Download

    There are three Main Categories of Rotators

    1. The Self Centering types (Coupling Shaft)
    Main base frames are fabricated and stress relieved before maching. There are two Roller Beds, the Drive and Idler unit each. The precisely machined (on boring machine) Roller Brackets are bolted on the roller beds. In this type of machine one of the roller brackets is fixed at one end of the bed and the other is moved to suit the job diameter. Shafts of different lenghts are provided to cover the diameter settings.

    2. The Self Centering types :
    Conventional Rotators
    Construction of the machine is similar to that conventional type Rotators. However, the Roller Housing Brackets in this are supported directly on the machine bed and are attached to the bed only . Lead Screw and nuts. When the lead Screw is rotated with the ratchet handle, the Roller Brackets move simultaneously towards each other or away from each other. In this series there will be twin drive arrangement. This type of design provides simultaneous and step less adjustment of Roller housings, and keet the axis always at the same position irrespective of diameter setting.

    3. Self Aligning Rotators

    Self Aligning Rotators automatically adjust the roller Housings to accept any job diameters with in the specified diameter range. This type of machines are generally used to cope with the change in shell diameter, Job to job. The roller housings of this type of machine are hinged ot the beds and to cope with the change in shell diameter job is introduced. In this type of rotator. each roller brackets assembly have two separater roller assemblies, and thus supports the job on a wider area. The final drives is given to both the 2-sets of rollers of the Drive Unit, provide better traction ot the job. However, in this case a declutching arrangement is provided to the top rollers, in order to protect the gear boxes, as when the job hits the top rollers first while loading, there is a tendency of rotating the top rollers where as it locked by the gear boxes.

    Bota Heavy Industry Co., Ltd.
    http://www.botazg.com/ http://www.bota-weld.com
    Bota ESSEN Fair : https://youtu.be/MLctSwjLkEc

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