Hitachi Operator Interview Questions and Answers

Q1. G code & M code
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Q2. G code M code & engineering drawing symbol
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Q3. G code & M code & Drawing symbols
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Q1. Mana power handling
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Q2. Production and quality mentioned
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Q1. How to work cnc machine
Ans. 
To work a CNC machine, you need to program it with the desired design, set up the materials, and monitor the process for any issues.
• Program the CNC machine with the design using specialized software

• Set up the materials to be cut or shaped according to the programmed design

• Monitor the CNC machine during operation to ensure it is running smoothly and make any necessary adjustments

• Follow safety protocols to prevent accide
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Q2. Explane three type geometry
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Three types of geometry include Euclidean geometry, non-Euclidean geometry, and projective geometry.
• Euclidean geometry is the study of flat or two-dimensional shapes and their properties.

• Non-Euclidean geometry includes hyperbolic and elliptic geometry, which do not follow the rules of Euclidean geometry.

• Projective geometry deals with the properties of geometric figures that are invariant under projective transformation
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Q1. How to work cooling cystem
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The cooling system works by circulating coolant through the machine to prevent overheating.
• Ensure coolant levels are sufficient and clean

• Monitor temperature gauges regularly

• Check for leaks or blockages in the system

• Follow manufacturer's guidelines for maintenance and refilling coolant
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Q1. Wich companys experience work?
Ans. 3 years sona comstar machine operating
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Q1. Wich emarson products making
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Emarson manufactures a wide range of products for various industries.
• Emarson produces CNC machines for metal fabrication.

• They also manufacture CNC routers for woodworking applications.

• Emarson offers CNC plasma cutting machines for metal cutting.

• They produce CNC laser cutting machines for precise and intricate cutting.

• Emarson manufactures CNC milling machines for precision milling operations.

• They also produce CNC lathes...read more
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No

No

Ok

Q1. Vernier caliper list' count
Ans. 
A vernier caliper typically has a list count of 10 divisions on the main scale and 9 divisions on the vernier scale.
• Vernier calipers commonly have 10 divisions on the main scale and 9 divisions on the vernier scale.

• The main scale represents millimeters while the vernier scale allows for more precise measurements in fractions of a millimeter.

• The vernier scale helps to determine the measurement by aligning the lines on t...read more
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Q2. Micro miter list count
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Q1. G code & M code
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Q2. G code M code & engineering drawing symbol
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Q3. G code & M code & Drawing symbols
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Details of 5s , kaizen, ergonomics

Q1. What is Details of SAP..??
Ans. 
SAP is an enterprise resource planning software used for managing business operations and customer relations.
• SAP stands for Systems, Applications, and Products in Data Processing.

• It is used for managing various business functions such as finance, sales, production, and inventory management.

• SAP provides real-time data processing and analytics for better decision-making.

• It offers modules such as SAP MM (Material Manageme...read more
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Q2. Different between housing and casting
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Housing is the outer covering of a machine while casting is the process of creating a solid object by pouring molten material into a mold.
• Housing is the protective covering of a machine that encloses its internal components while casting is the process of creating a solid object by pouring molten material into a mold.

• Housing is usually made of metal or plastic and is designed to protect the machine from external elemen...read more
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Q1. About engine working process
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Q2. About cnc machine working
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