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A sine bar is a precision measuring tool used to set and measure angles. It typically consists of a hardened steel bar with two accurately machined cylindrical rollers at each end, spaced a specific distance apart, usually 5 inches or 10 inches. The angle is determined by the height of a gauge block placed between the rollers, following the sine formula: sine(θ) = opposite (height of gauge block) / hypotenuse (distance between rollers). Sine bars are commonly used in machining and metrology for achieving precise angular measurements.
What else can I help you with?
Is sine bar specified by centre distance between two rollers?
Yes
Why a Sine bar becomes impractical for angles larger than 45?
A sine bar becomes impractical for angles larger than 45 degrees because the height of the workpiece must be increased to maintain the correct angle, which can lead to stability issues and difficulty in obtaining precise measurements. Additionally, as the angle increases, the required length of the sine bar increases, making it less manageable and harder to set up accurately. Furthermore, the sine bar's effectiveness diminishes due to the geometry involved, as larger angles may lead to increased errors in measurement.
Which are the Standard sizes of sine bar?
Standard sizes of sine bars typically include lengths of 100 mm, 200 mm, and 300 mm, with a common height of 50 mm. They are designed with specific angles, often ranging from 0 to 90 degrees, allowing for precise angular measurements and setups. The most common sine bar uses a cylinder diameter of 10 mm for the pins, which are essential for accurate angular positioning.
What is the sine of 810?
sine 810 = sine 90 = 1
If two integers have the same sign what is the sine of their sum?
Sine(A+ B) = Sine(A)*Cosine(B) + Cosine(A)*Sine(B).
Relief holes are provided in sine bar?
Relief holes are provided for easy handling of sine bar and for reducing the weight of the sine bar.
How do you specify sine bar?
distance between the centre of two parallel cylinderin the sine bar
Why relief holes are provided in sine bar?
Relief holes are provided for easy handling of sine bar and for reducing the weight of the sine bar.
Sine bar is used to measure?
sine bar is used to measure the angles of given work pieces
Where can you find a 5 inch sine bar chart?
See related links for information about sine charts.
Why holes are provided to sine bar?
To reduce the weight
How sine bar is used to measure angle of heavy component?
A sine bar is an essential tool for measuring angles with high precision. When measuring a heavy component, the sine bar is placed on a flat surface, and the component is positioned against it. By adjusting the height of the component until it matches the desired angle, the sine bar's calibrated length can be used to calculate the angle through the sine function. This method ensures accurate angular measurements, even for large and heavy parts, by leveraging the simplicity of trigonometric relationships.
What material will be used for sine bar apparatus?
stbilized steel
What is the angle of a workpiece if a 3.2003 gauge block stack is used with a 10 sine bar?
What is the angle of a workpiece if a 3.2003 gage block stack is used with a 10 sine bar?
What is sine center?
its a type of sine bar . it is used in metrology lab .from this equipment we can find tapered angle of a conical spcimen
How do you calculate least count of sine bar?
1degree
Where can you find a five inch sine bar chart?
Machinist Hand Book
