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Stripping and Pin Registration DVD

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Volume 1

Stripping and pin registration basics 

Part 1 

Running time 56 minutes

Introduction to training series

Basic tools and materials needed for stripping

An overview of the process

Starting with a blank mask sheet

What is a negative and how does it work

Stripping a negative using crop marks or the edge of the original

stripping a negative by measuring to the image area

Contents: Stripping and Pin Registration Basics….

Part 1 Clocktime: allows you to find any section on the DVD.

0:01…Introduction to Training Series.

0:02…Basic Tools and Materials Needed For Stripping

Explanation of the light table.

Explanation of common tools used: T-square, line gauge, pen, tape, loop or

magnifying glass, razor blade, opaque, ruby tape, register pins, stripping tabs.

Explanation of stripping materials used: paper mask, orange vinyl mask, polyester

mask Rubylith mask. Where, when and how they’re used.

0:11…An Overview Of The Process.

An overview of production, from paste-Up to the printing plate.

0:13…Starting with A Blank Mask Sheet

An introduction to basic stripping, positioning negative on to the mask sheet.

The first of three stripping techniques, stripping onto a blank mask sheet.

Taping the mask sheet to the light table.

What is plate bend and how to determine where it is.

Determining printed sheet location on the mask sheet and drawing in lines.

Drawing in gripper bite and an explanation of what gripper bite is.

0:21…What Is A Negative And How Does It Work.

An overview of what a negative is.

The raw film.

Open areas and non-open areas for film.

Base side and emulsion side of film.

Testing how to determine the emulsion side of file.

Problems caused by having emulsion on wrong side of film when stripping.

Explanation of emulsion terms: "E-down" and "E to E."

0:31…Stripping A Negative Using Crop Marks Or The Edge Of The original.

Stripping a negative on top of a blank mask sheet, wrong reading, "E-up."

Locating the position of the negative using crop marks.

Locating the position of the negative using the outline of the paper.

0:39…Stripping A Negative by Measuring to the Image Area.

Determining how paper and image will run into the press.

An explanation of the head and the tail of the image.

Measure and draw position lines onto tail of the image.

Positioning the negative to lines.

Checking to make sure the image area is not in the gripper area.

Squaring-up the negative.

Taping the negative down to the mask sheet.

Cutting a center notch into the mask sheet.

Opening up the image area in the mask sheet.

Opaque the negative.

Writing critical information on the mask sheet.

Volume 2 

The Platemaker and the Printing Plate 

Running time 55 minutes

An explanation of how the Platemaker works

Setting  up test exposures with a gray scale to determine the proper plate exposure

A look at printing plates and their chemistry

Developing the test plate 

an evaluation of the test plate

Exposing and developing a plate with your stripped job

Contents: The Platemaker And The Printing Plate.

Clock time: allows you to find any section on the DVD.

0:01…An Explanation Of How The Platemaker Works.

An explanation of platemaker components, glass frame, vacuum mat, vacuum pump, light

source, and control panel.

The correct amount of vacuum to run.

Problems caused by not having enough vacuum.

An explanation of timers, clock-driven and photo cells driven.

A demonstration of how exposure-time are affected by cold light source v/s a warm light


0:13…Setting Up Test Exposures With Gray Scale.

To determine The Proper Plate Exposure.

An explanation of the exposure scale to determine proper plate exposure.

Looking at the plate product sheet for recommended exposure on exposure scale.

Problems caused by over exposure and under exposure.

Using a safe light with plates.

Placing the test plate in the vacuum frame and making test exposure.

0:21…A Look At Printing Plates And Their Chemistry.

An explanation of additive and subtractive plates, their characteristics and the chemicals used.

Further discussion of overexposure and underexposure.

Over development problems.

Smooth plates or grain plates.

One-sided plates v/s two-sided plates.

One-step and two-step subtractive plate chemistry.

An explanation of what happens if the plate surface oxidizes.

0:34… Developing The Test Plate.

0:38…An Evaluation Of The Developed Test Plate.

An explanation of the steps on the test exposure scale.

An explanation of continuous tone v/s halftone.

A look at the printing plate product sheet for recommended exposure scale development.

Comparing the test plate to the product sheet.

0:48…Exposing And Developing A Plate With Your Stripped Job.

Cleaning the vacuum frame glass

Finding the center of the plate.

Placing the mask sheet on the plate and turning the vacuum on.

Checking for drawdown and problems.

Exposing the plate.

Developing the plate

Preserving the plate.


Volume 3 Stripping and pin registration basics  Part 2 

Running time 58 minutes

Stripping with pre-ruled mask sheet

The pros and cons of pre-printed mask sheets

Pin registration-setting up loose register pins

Test for centering of pins and rule-up a standardized stripping master for your register system

How to make a Platemaker register bar

The importance of pin registration 

Contents: Stripping and Pin Registration Basics….

Part 2. Clocktime: allows you to find any section on the tape.

0:01…Stripping With A Pre-Ruled Mask Sheet.

Stripping with a pre-ruled mask sheet, placing the negative under the mask sheet.

An explanation of the printed information on mask sheets.

An explanation of gripper fingers.

An explanation of stop fingers.

An explanation of the impression trip finger.

How to position the negative using crop marks.

How to position the negative by measuring to the image area.

A demonstration of two taping methods to attach the negative to the mask sheet.

Finish stripping the job.

0:17…The Pros And Cons Of Pre-Printed Mask Sheet.

Information of mask sheets.

Locating the negative.

Stability of printed lines.

Possible press adjustments.

An evaluation of production time with pre-ruled mask sheets

0:22…Pin Registration – Setting Up Loose Register Pins.

Sitting up loose pins on a light table

Determining the distance between pins and location on the light table.

Using the correct edge of a t-square.

Squaring pins to a t-square.

Testing pins to a light table.

Testing the triangle for squareness.

Testing the edge of a light table for trueness.

Finding the center of the pins.

0:38…Test For Center Of Pins And Rule-up A Stripping Master.

Standardized Stripping Master For Your Register System.

How to rule-up a clear polyester sheet for standardized stripping layouts.

0:48…How To Make A Platemaker Pin Register Bar.

Making a plate register bar for the platemaker.

0:57…The Importance Of Pin Registration.

The benefits of pin registration and why this knowledge is so important.


Volume 4 Stripping and pin registration basics    Part 3 

Running time 57 minutes

Expanding on the home-made pin register system

A look at a professional pin register punch

The concept of punching round and slotted holes

Evaluating your press to determine what type of pin register system you need

Reviewing what type of register system you need

Contents: Stripping and Pin Registration Basics….Part 3. Clocktime: allows you to find any section on the DVD.

0:01…Expanding On The Home-Made Pin Register system

Incorporating a three-hole office punch into a basic homemade register system.

The benefits and limitations of a homemade register system.

Making a stripping bar for the light table.

Setting up a stripping bar on the light table.

How to attach a mask sheet to pins.

Finding the center of the pins and testing for squareness.

Making a plate register bar for the platemaker.

Punching the plate.

Registering the plate and mask sheet together in the platemaker.

0:14…A Look At A Professional Pin Register Punch.

Looking t a professional, self-centering register punch.

Punching a plate.

Punching a masking sheet.

Punching a polyester sheet.

Punching a stripping and plate register bar.

How to setup a register bar on the light table and platemaker.

An explanation of different register punch configurations with multiple punch heads.

0:20…The Concept Of Punching Round And Slotted Holes.

The concept of punching round and slotted holes to control expansion and construction ofmaterials.

Accessories available for professional register system.

Register pins in the clamps of your printing press.

0:27…Evaluating Your Press To Determine WhatType Of Pin Register System You Need.

A look at the type of register system required for presses with pin bar clamps.

The register concept used on large presses with register pins in the press clamps.

Converting pin bar clamps to slotted clamps and back.

A look at the type of register system required for presses with straight edge clamps.

How a professional register system registers to the printing press clamps.

0:53…Reviewing What Type Of Register System You Need

A discussion of the different register systems and how to determine what kind of system you need.

Order #     REG-DVD-4   Price $159.95


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