Manuals / Southbend / Power Tools / Lathe

Southbend SB Thread Dial Chart, TPI Divisible By, Even TPI Not Divisible By, Odd Numbered TPI

Models: SB

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O P E R A T I O N

 

13" Heavy 13® Gearhead Lathe

For Machines Mfg. Since 5/11

 

 

 

Thread Dial Chart

Find the TPI (threads per inch) that you want to cut in the left column of the thread dial chart (see Figure 79), then reference the dial number to the right of it. The dial numbers indicate when to engage the half nut for a specific thread pitch. The thread dial chart can also be found on the front of the thread dial housing.

In.

 

2

3

1

4

4,8,12,16,20,24,

Any Position

28,32,36,40,44,

 

48,56,60,72

 

2,6,10,14,

Non-

18,22,26,

Numbered

30,54

Position

3,5,7,9,

Numbered

11,13,15,

Position

19,23,27

1,2,3,4

2½,3½,4½,

Position

7½,11½,13½

1,3 or 2,4

2¼,2¾,

Position

3¼,3¾

1 Only

27⁄8

Same as

 

Metric

 

Threads

Figure 79. Thread dial chart.

Note: The thread dial is not used for metric threading, or diametral and modular pitches. You must leave the half nut engaged from the beginning until the turning is complete for these types of operations.

The following examples explain how to use the thread dial chart.

TPI Divisible By 4

For threading a TPI that is divisible by four, use any line on the thread dial (see Figure 80).

TPI

4,8,12,16,20,24, Any Position 28,32,36,40,44, 48,56,60,72

Figure 80. Any position on the dial for threading TPI

divisible by 4.

Even TPI Not Divisible By 4

For threading a TPI that is even but not divisible by 4, use any of the non-numbered lines on the thread dial (see Figure 81).

TPI

2,6,10,14,

Non-

18,22,26,

Numbered

30,54

Position

Figure 81. Marks are selected on the dial for threading

even TPI not divisible by 4.

Odd Numbered TPI

For odd numbered TPI, use any of the numbered lines on the thread dial (see Figure 82).

TPI

3,5,7,9,

Numbered

11,13,15,

Position

19,23,27

1,2,3,4

Figure 82. Numbers are selected on the dial for

threading odd numbered TPI.

1⁄2 Fractional TPI

Use any opposing number pairs—2/4 or 1/3 on the thread dial for 1⁄2 fractional TPI (see Figure 83). For example, to cut a 31⁄2 thread, select 1 or 3 on the dial.

TPI

2½,3½,4½,

Position

7½,11½,13½

1,3 or 2,4

Figure 83. Opposing number group are selected on

dial for cutting 1⁄2 thread TPI.

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Southbend SB Thread Dial Chart, TPI Divisible By, Even TPI Not Divisible By, Odd Numbered TPI, ⁄2 Fractional TPI
Page 59 Page 61

SB specifications

The Southbend 1368,SB is a versatile and robust commercial range designed for professional kitchens that demand high performance, reliability, and efficiency. This model is widely recognized for its solid construction and user-friendly features, making it a preferred choice among chefs and restaurant operators.

One of the standout features of the Southbend 1368,SB is its powerful burners. Equipped with six high-output burners, each producing 33,000 BTUs, this range delivers exceptional cooking power, allowing chefs to boil, sauté, and simmer with ease. The burners are designed with heavy-duty cast iron grates that not only provide durability but also ensure optimal heat distribution across the cooking surface, enhancing culinary results.

The range also includes a spacious oven with a capacity of 40,000 BTUs, which is perfect for baking, roasting, and broiling various dishes. The oven features a thermostat that allows for precise temperature control, ensuring that dishes are cooked to perfection every time. Additionally, the oven's interior is made from stainless steel, which offers excellent heat retention and is easy to clean.

Another notable characteristic of the Southbend 1368,SB is its construction. Built with a heavy-duty stainless steel exterior, this range is not only aesthetically pleasing but also resistant to corrosion and wear. The front, sides, and top are all designed for durability, making it suitable for high-traffic kitchen environments.

In terms of technological advancements, the Southbend 1368,SB is equipped with modular components that can be easily customized to meet specific cooking needs. This flexibility allows operators to configure the range for various cooking tasks, accommodating everything from grilling to frying.

Safety is also a significant consideration in the design of the Southbend 1368,SB. The range includes flame failure safety devices that automatically shut off the gas supply in case of a flame-out, providing peace of mind for operators during busy service times.

In summary, the Southbend 1368,SB is a powerful, versatile, and durable commercial range that brings together high-performance cooking capabilities and user-friendly features. With its robust burners, spacious oven, and heavy-duty construction, it is an ideal choice for any professional kitchen looking for reliability and efficiency in their cooking equipment.