Large cast iron square boxes and their variants, such as large T-slot square boxes, are indispensable precision tools in machining, assembly and inspection fields.

Their main uses and characteristics can be summarized in detail as follows:

Main uses:

Machine tool plate: large cast iron square box is often used as a stable machine tool plate, can effectively improve the machining accuracy and stability of the machine tool, reduce the impact of vibration on processing quality.
Large workpiece clamping: In the process of large workpiece processing or assembly, the square box is used as a reference platform to ensure the accurate positioning and clamping of the workpiece, and is an important auxiliary tool for precision machining and assembly.
Inspection and marking: Using its high-precision working face, it can easily carry out the inspection and marking of the parallelism and verticality of the parts, improving the detection efficiency and accuracy.
T-slot and custom hole processing: The working face of the square box can be processed according to the needs of T-slot, U-slot, round hole, long hole, etc., to adapt to the clamping needs of different work pieces, enhance versatility and flexibility.

Product characteristics

High strength material: High strength HT250 gray cast iron material, with good wear resistance, stability and deformation resistance.
High precision manufacturing: According to JB/ T3411.56-99 standard manufacturing, the working face through precision machining and flatness verification, to ensure the measurement accuracy.
Versatility: The T-slot design allows the workpiece to be firmly fixed on the square box, while the magnetic holding further enhances the stability of the workpiece to prevent sliding and wounding.
Customized service: According to the specific needs of users, customized with different specifications, square boxes and rectangular cylinders, to meet the requirements of different working conditions.
Good working environment adaptability: under normal temperature and humidity conditions, the square box can maintain stable measurement performance to ensure the accuracy of test results.
Strict quality requirements: the working face of the square box has no rust, scratches, cracks and other defects, non-working face cleaning and painting, edge chamfering treatment to ensure the safety and beauty in the use process.

Sum up

Large cast iron square boxes and their T-groove variants play an important role in machining, assembly and testing fields with their advantages of high precision, high strength, versatility and customized services. They not only improve work efficiency and processing quality, but also ensure the safety of the operator, is an indispensable tool in modern industrial manufacturing.

Main Specifications for the cast iron square box

Sizes（mm）	Flatness of the working surface			The perpendicularity and parallelism of the working surface and the parallelism of the V-shaped groove to the bottom and side
	Grade（um）
	0	1	2	0	1	2
100*100*100	3.5	7	15	7	15	30
150*150*150	4	9	17	8	18	35
200*200*200	4.5	10	20	9	20	40
250*250*250	5	11	22	10	22	45
300*300*300		12	25		25	50
400*400*400		15	30		30	60
500*500*500			35			70

Precise provides personalized box design and manufacturing services based on customer requirements. Customers can specify the box specifications, materials, processing requirements, etc., to meet the needs of specific application scenarios.

Provide professional technical support and consulting services, including product selection, use guidance, troubleshooting, etc. Help customers better understand product performance and improve use efficiency.
Perfect after-sales service system, including product installation and commissioning, maintenance, spare parts supply, etc. Ensure that customers in the use of the process of problems can be solved in a timely manner.
Provide product use training and technical guidance to customers, help customers master the correct use methods and skills, improve the service life and performance of products.

PRECISE’s product offering focuses on high quality, high precision machine parts and equipment, with an emphasis on personalisation and customer service. By providing comprehensive technical support, after-sales service and training guidance, to ensure that customers in the use of the process of full support and help.