Cover Pen, Shapes, and Stamps Guide
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Questions and Answers

What must be ensured about the surface of the flat plate before use?

  • It should be lubricated before placing the workpiece.
  • It should be rough for better grip.
  • It must be flat, scratch-free, and clean. (correct)
  • It needs to be painted for protection.

Which tool should be used to secure the workpiece on the flat plate?

  • Only the flat plate itself.
  • Clamps or other supportive tools. (correct)
  • A caliper for measuring.
  • A hammer for striking.

What angle is the pointed end of the marking tool sharpened at?

  • 30°
  • 60°
  • 45° (correct)
  • 90°

What is the recommended action to protect the flat plate after use?

<p>Apply a layer of oil and cover with a wooden board. (D)</p> Signup and view all the answers

What is the primary purpose of the center marking tool?

<p>To mark the center for drilling holes or circles (A)</p> Signup and view all the answers

What kind of surface is the flat plate also referred to as?

<p>Stone table (A)</p> Signup and view all the answers

Which type of marking tool is used for marking hardened materials?

<p>Brass marking tool (C)</p> Signup and view all the answers

Which action is NOT recommended when using the flat plate?

<p>Placing a dirty workpiece on the plate. (B)</p> Signup and view all the answers

What should be done to the support surface when marking on a workpiece?

<p>It should be clean and stable (D)</p> Signup and view all the answers

What angle does the head/point of the precise marking tool have?

<p>30° (B)</p> Signup and view all the answers

What is the primary purpose of setting in machining operations?

<p>To transfer measurements accurately from paper to workpiece (A)</p> Signup and view all the answers

Which tool is specifically designed to provide high measurement sensitivity up to 0.01 mm?

<p>Sensitive setting gauge (C)</p> Signup and view all the answers

What type of support surface is recommended for cylindrical workpieces during setting operations?

<p>V-shaped support surface (C)</p> Signup and view all the answers

Why is time spent on the setting process considered productive?

<p>It saves time in future machining and production stages. (C)</p> Signup and view all the answers

What angle is the marking fork sharpened to?

<p>45° (A)</p> Signup and view all the answers

Which of the following is NOT a tool mentioned for setting operations?

<p>Caliper (C)</p> Signup and view all the answers

What is a key requirement for using a sensitive setting gauge effectively?

<p>A flat marking surface should be used. (D)</p> Signup and view all the answers

Which tool is common for marking dimensions on a workpiece?

<p>Marking fork (B)</p> Signup and view all the answers

Flashcards

Setting

Transferring measurements from a drawing to a workpiece.

Setting Accuracy

Precise measurement transfer to produce a quality product.

Sensitive Setting Gauge

Tool for precise dimensioning, measuring, and comparing.

Setting Gauge Use (Step 1)

Place gauge and workpiece on a flat surface (e.g., marking flower).

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Setting Gauge Use (Step 2)

Support workpiece before any measurement.

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Setting Gauge Use (Step 3)

Perform measurement and begin setting operation.

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Setting Gauge Use (Step 4)

Use V-shaped support for cylindrical workpieces

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Marking Fork

Tool for marking dimensions on the workpiece.

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Marking Fork Material

Made of tool steel (general) or brass (hardened materials).

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Purpose of Flat Plate

A flat plate, often called a surface plate, is used for precise alignments and accurate work on workpieces in mechanical workshops.

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Surface Plate Setup

The flat plate must be placed on a level surface, and its surface must be smooth and free of scratches to prevent damage to the workpiece.

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Workpiece Placement

The workpiece is placed on the flat plate for accurate alignments and precise work.

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Workpiece Support

Use supportive tools like metal supports or clamps to secure the workpiece.

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Single Strike Hammer

Use a hammer for operation on the workpiece, and only one strike is recommended.

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Surface Plate Maintenance

To protect and maintain cleanliness of surface plate, a layer of oil is applied after use, followed by covering the plate.

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Pre-use preparation

Ensure surface of the flat plate is flat, scratch-free, and clean before use, and place workpiece on plate free from debris, and using appropriate supports.

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Tool Placement

Tools such as calipers or gauges are placed on the surface plate to adjust the dimensions of the work pieces.

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Flat Plate Alternate Name

The document refers to "flat plates" (surface plates) as "stone tables", suggesting different sizes and designs.

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Importance of Cleanliness

Maintaining a clean and scratch-free surface plate is critical for ensuring accurate measurements.

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Marking Tool (Shookah al-'Alaam)

A hand tool made of tool steel, sharpened at 45°, used for marking dimensions on workpieces.

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Marking Tool Types

Different types of marking tools, like steel, brass, or pencil, suited for various material types and precision levels.

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Marking Tool Steel Type

Marking tool made of steel, used for a variety of workpieces

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Marking Tool Brass Type

Brass marking tool used for marking on hardened workpieces, creates a light brass coating on the workpiece.

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Marking Tool Pencil Type

Pencil marking tool used for very precise work, especially on coated or thin workpieces.

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Support Surface (Marking)

A surface placed under the workpiece to provide stability during marking.

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Center Marking Tool (Damiyah al-'Alaam)

A tool used to mark the center of a workpiece for tasks like marking circles or drilling holes.

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Center-punching tool (Type)

A type of center marking tool with a 60° tip.

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Precise Marking Tool (Type)

A type of center marking tool with a 30° tip, used for sheet metal before bending.

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Marking Tool Use - Alignment

The marking tool's pointed end must align with the ruler's edge.

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Marking Tool Use - Direction

Mark in one single direction to avoid double lines.

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Marking Tool Use - Squared Edge

When using a squared edge, align the tool's edge with the workpiece's support surface.

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Marking Tool Use - Work Clothes

Avoid placing the marking tool on work clothes to prevent harm.

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Cylindrical Workpieces

Use a V-shaped support surface for cylindrical workpieces

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Study Notes

Cover Pen, Shapes, and Stamps

  • Cover pen, shapes, and stamps are available for annotation.
  • Bullet points detail information related to the topic
  • This document contains information about different types of cover pens, shapes, and stamps, as well as their measurements and procedures.
  • Specific dimensions for bullet shapes like a 60 degree, and 30 degrees angle
  • Various classifications and parameters are included.

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Description

This quiz explores the essentials of cover pens, shapes, and stamps used for annotation. It includes detailed measurements and procedures, focusing on specific angles like 60 degrees and 30 degrees. Ideal for students looking to understand the parameters and classifications of these tools.

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