Hobart OM-353 manual High Frequency HF, Welding Processes Using HF

Page 34

SECTION 6 – HIGH FREQUENCY (HF)

6-1. Welding Processes Using HF

 

2

 

1

 

1

Work

Work

Gas Tungsten Arc

Submerged Arc

Welding (GTAW)

Welding (SAW)

1 HF Voltage

GTAW – helps arc jump air gap between torch and workpiece and/ or stabilize the arc.

SAW – helps arc reach workpiece through flux granules.

2 Flux

high_freq1 7/95 – S-0693

6-2. Sources Of HF Radiation From Incorrect Installation

Weld Zone

11, 12

50 ft

(15 m)

10 9

8

7

3

13

2

 

 

1

14

Sources Of Direct HF Radiation

1HF source (welding power source with built-in HF or separate HF unit)

2Weld Cables

3Torch

4Work Clamp

4

5

6

5Workpiece

6Work Table

Sources Of Conduction Of HF

7Input Power Cable

8Line Disconnect Device

9Input Supply Wiring

S-0694

Sources Of Reradiation Of HF

10Ungrounded Metal Objects

11Lighting

12Wiring

13Water Pipes And Fixtures

14External Phone And Power Lines

OM-353 Page 30

Page 33 Page 35
Image 34
Page 33 Page 35
Contents Processes OM-353122200UDescription From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques + + + DefinitionsISO/IEC Rating Label For CE ProductsSymbols And Definitions Some symbols are found only on CE productsDC Mode AC Mode InstallationSpecifications Volt-Ampere Curves60% Duty Cycle At 200 Amperes Duty Cycle And OverheatingOverheating Selecting a Location Dimensions And WeightsMovement Location And Airflow Weld Output Terminals And Selecting Cable Sizes Be careful when placing or moving unit over uneven surfacesTipping ARC Welding can cause Electromagnetic InterferenceVolts AC Duplex Receptacle And Shielding Gas Connections Turn Off power before connecting to receptacleRemote 14 Receptacle SocketElectrical Service Guide All values calculated at 60% duty cyclePlacing Jumper Links And Connecting Input Power Check label inside your unit- only one label is on unitOperation ControlsOutput Selector Switch MetersSpot Time Controls Crater Time ControlsApplication AC Balance Control Setting Output WaveformsBalance Control AC Gtaw Amperage Adjustment Controls Output Contactor Control SwitchPostflow Time Control Arc ControlsFor AC And DC Smaw Welding High Frequency Controls Preflow Time Control OptionalDisconnect power before maintaining Maintenance & TroubleshootingRoutine Maintenance MonthsTroubleshooting Adjusting Spark GapsTurn Off power before adjusting spark gaps Reset circuit breaker CB1 see Section Circuit Diagram Sources Of HF Radiation From Incorrect Installation Welding Processes Using HFHigh Frequency HF Correct Installation Parts List Main AssemblyDia Part Description Quantity Mkgs Panel, Front w/Components Panel, Front w/Components -1 Item 181 Rectifier, Si Diode -1 ItemPanel, Mtg Components -1 Item Control Panel, Lower Front Control Panel, Lower Front -2 Item OM-353 Page Page Service SupportContact your Distributor for Hobart Welding Products

OM-353 specifications

The Hobart OM-353 is a powerful and efficient mixer designed for commercial kitchen environments. Renowned for its durability and high-performance capabilities, this heavy-duty equipment revolutionizes the mixing process, ensuring consistent results for a variety of recipes. The OM-353 combines innovative technology and user-friendly design, making it an essential tool for chefs and kitchen staff alike.

One of the standout features of the Hobart OM-353 is its robust motor. With a horsepower of 1.5, it delivers impressive torque, allowing it to handle dense mixtures and heavy doughs with ease. This capability is particularly valuable in high-volume settings, where efficiency and time-saving are crucial. The mixer is equipped with three fixed speeds, enabling operators to select the appropriate speed for different mixing tasks, from slow folding to high-speed whipping.

The bowl capacity of the OM-353 is another significant characteristic, accommodating up to 35 quarts. This large capacity is ideal for batch processing, allowing commercial kitchens to mix substantial quantities of ingredients simultaneously. The mixer features a sturdy stainless steel bowl, providing durability and resistance to wear while being easy to clean and maintain.

In terms of technology, the Hobart OM-353 incorporates a unique planetary mixing action that ensures thorough ingredient incorporation. The mixing attachments, which include a wire whip, flat beater, and dough hook, are designed to maximize efficiency and ensure every ingredient is evenly combined. The user controls are straightforward, featuring an easy-to-use lever for raising and lowering the bowl, along with a safety guard that prevents accidental operation.

Safety is a key consideration in the design of the OM-353. The mixer is equipped with an overload protection system that automatically shuts off the motor in case of excessive load, preventing potential damage. Additionally, its robust construction and stability reduce the risk of tipping during operation, ensuring a safe working environment.

The Hobart OM-353 embodies the ideal blend of power, performance, and safety, making it a staple in many professional kitchens. Its ability to adapt to various mixing needs, combined with its heavy-duty construction, ensures that chefs can rely on this mixer for consistent and high-quality results in their culinary creations. Whether used in bakeries, restaurants, or catering services, the Hobart OM-353 stands out as an indispensable tool for achieving excellence in food preparation.
Top Page Image Contents