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Press Marking - Impact and Squeeze Action Presses

press marked part

 

For fast and efficient part marking, Schmidt offers both impact marking presses and squeeze action marking presses that can indent a whole legend in one stroke.

Press marking machines are great for marking mild steel, tool steel, and soft aluminum parts.

 

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Press Marking Overview

Press marking is a conventional form of part marking. A machine fixtured with a type holder, numbering head or tooling die marks an entire word or legend at once using an impact indenting method. Press marking can be used on both round or flat parts and be equipped with part feeding systems for full automation operations.

Types of Press Marking Machines

Impact Marking Presses

Impact marking presses, which can be faster than roll marking machines, indent numbers and letters into the surface of parts with a powerful single stroke. Impact presses are typically used for stamping plates or solid parts, but are suitable for a multitude of part marking applications. Schmidt offers pneumatic impact press marking machines ranging from 5 to 10 tons of pressure. They are designed for quick installation, easy operation, and long marking life. Our press marking machines can be positioned vertically or horizontally as required by the application.

Squeeze Action Presses

Squeeze action press marking machines offer a gentler marking action when closer control of stamping pressure is desired. There is no impact, no bounce, and no repercussion as the marking pressure is delivered in a straight, smooth squeeze. Schmidt's squeeze action marking presses, with 5 to 15 tons of marking pressure, eliminate impact and reduce noise. By comparison to impact marking presses, these units are dramatically gentler for both the parts being marked and the tooling in the machine.

Schmidt offers two styles of squeeze action marking presses, the pneumatic Model A/O (air over oil) and the bench style Model 450. Our Model A/O (Air over Oil) marking press combines both pneumatic and hydraulic pressure to create an impact and squeeze action press all in one. These systems are available in 6 or 10 tons. The Model 450 is a more heavy duty pneumatic marking press and is available in four sizes.

Press Marking Machines

Impact Presses: Model 5T and Model 10T

Squeeze Action Presses: Air-Over-Oil and Model 450

Impact Presses - The 5T and 10T

Model 5T (5ton) Marking Press Machine

Model 5T

Model 5T Impact Press Marking Machine

The pneumatic Model 5T provides up to 10,000 lbs. (5 tons) of impact pressure, adjustable with an air pressure regulator and gauge. The 5T accepts tooling with shanks that measure 1" in diameter by 2" long. The unit is available for flange mounting or bench-style operation. Dual hand controls ensure operator safety.

Specifications:

Model 5T

Max. Ram Pressure 5 tons (10,000 lbs)
Throat 3-1/2"
Mounting Holes Four, on 3" centers
Weight 37 lbs.
Min./Max. Working Pressure 20/100 PSI
Electrical 110V
Dimensions 20"H x 8"W x 6"D

Model 5T Impact Marking Press Drawing

Specifications for Model A0 squeeze action press marking machine

View or Download Model 5T Impact Marking Press PDF

 

Model 10T pneumatic impact press marker

Model 10T

Model 10T Impact Press Marking Machine

The pneumatic Model 10T provides up to 20,000 lbs. (10 tons) of impact pressure, adjustable with an air pressure regulator and gauge. The 10T accepts tooling with shanks that measure 1" in diameter by 2" long. A hand crank/gear system facilitates height adjustments above parts to be marked. Dual hand controls ensure operator safety.

Specifications:

Model 10T

Max. Ram Pressure 10 tons (20,000 lbs)
Die Space (Height) 9"
Throat 6"
Height Adjustment 11" (rack & pinion)
Table Size 12"W x 11"D
Weight 225 lbs.
Min/Max. Working Pressure 20/100 PSI
Electrical 110V
Dimensions 45"H x 20"W x 18"D

Model 10T Impact Marking Press Drawing

Specifications for Model A0 squeeze action press marking machine

View or Download Model 10T Impact Marking Press PDF

 

Squeeze Action Presses - The A/O and the Model 450

Air over Oil Press Marker

Model A/O

Air-Over-Oil Press Marking Machine

Schmidt's Air over oil press marker uses pneumatic air pressure to rapidly move the ram, while hydraulic pressure is used to slowly squeeze the impression into your part.

Features & Benefits:

  • Pneumatic action air-over-oil operations
  • No electrical requirements
  • Produces clear and legible marks
  • Smooth and quiet operation
  • Anti-tie-down dual hand controls

Specifications

Model AO-6

Model AO-10

Model No. MC 12-16-7 XL 20-16-7
Max. Tonnage 6 10
Stroke Length 2" 2"
Cycle/Min. 30 30
Weight 24 40
Overall Length 25.5" 26"

Model AO Squeeze Action Marking Press Drawing

Specifications for Model A0 squeeze action press marking machine

View or Download Model AO Squeeze Action Marking Press PDF

Click to view 3D model of squeeze action AO press marking machine

3D CAD Model of AO Model**

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press marked part

Model 450

Model 450 Squeeze Action Press Marker

Schmidt offers the bench-style Model 450 in four sizes. These heavy duty pneumatic presses deliver uniform pressure regardless of variations in the thickness of parts being marked, and the stroke is adjustable.

Specification Chart for available Model 450s
Specifications Model 450 A Model 450 B Model 450 C Model 450 D
Max. Ram
Pressure (Tons)
5 7.5 10.5 15
Standard Die
Space Height
7" 7" 7" 9"
Throat 3-1/2" 3-1/2" 3-1/2" 3-1/2"
Table Size
(Width x Depth)
8-1/2" x 6-7/10" 8-1/2" x 6-7/10" 8-1/2" x 6-7/10" 11-1/2" x 4"
Min./Max. PSI 20/100 20/100 20/100 20/100
Weight (Lbs.) 350 375 400 600
Height 25" 25" 25" 29"
Width 12" 12" 12" 12"
Depth 20-1/2" 20-1/2" 20-1/2" 31"

Model 450 Squeeze Action Marking Press Drawing

Specifications for Model A0 squeeze action press marking machine

View or Download Model 450 Squeeze Action Marking Press PDF

 

Pressure Requirements for Marking

Pressure to mark one Sharp Face character (in tons)

In order to estimate marking pressure requirements, multiply the single character tonnage by the number of characters to be marked. To mark half depth, multiply tonnage requirements by 0.75; to mark two times the depth, multiply the tonnage requirements by 1.33; to mark three times the depth, multiply tonnage requirements by 1.7.

Character
Size
Mild Steel Soft
Aluminum
Tool Steel Character
Depth
1/16” 0.25 0.15 0.38 .003”
3/32” 0.05 0.3 0.75 .004”
1/8” 0.75 0.45 1.13 .006”
5/32” 1 0.6 1.5 .007”
3/16” 1.88 1.13 2.82 .008”
1/4” 2.1 1.26 3.15 .010”
5/16” 3 1.8 4.5 .013”
3/8” 4 2.4 6 .016”
7/16” 4.75 2.85 7.13 .016”
1/2” 5.7 3.42 8.55 .017”
5/8” 7.5 4.5 11.25 .020”
3/4” 9.25 5.55 13.88 .020”
7/8” 11 6.6 16.5 .020”
1” 13 7.8 19.5 .020”

Click to download the Pressure Marking Chart as a PDF.

Part Feeding, Fixturing and Tooling

Our impact press markers and squeeze action presses can be equipped with automatic feeding systems that include bowl feeders, stackers and rotary dials. Fixturing is available on all Schmidt press marking systems.

Schmidt Model 450 squeeze action press marker with rotary dial

Type Holders, Numbering Heads and Marking Dies for Press Marking

Steel Marking Tools Shank Style Stright Typeholder

Model S Type Holder

Used for multiple character stamping with frequent setup changes. These type holders plus Schmidt's standard straight groove type can be used in our press marking machines. A locking pin holds the type in place. Available in stock. Contact us to order your type holder at 800-323-1332.

Standard Model S Type holder for Straight Groove Type
Stock
Number
Model
Number
Recess Sizes Holder Capacity by Character Size
1/16" 3/32" 1/8" 5/32" 3/16" 1/4"
032681 S-A12 1/4” x 3/4” 12 8 6 - - -
032682 S-A15 1/4” x 15/16” 15 10 - 6 - -
032683 S-A16 1/4” x 1” 16 - 8 - - -
032684 S-A18 1/4” x 1-1/8” 18 12 9 - - -
032685 S-A20 1/4” x 1-1/4” 20 - 10 8 - -
032686 S-A24 1/4” x 1-1/2” 24 16 12 - - -
032688 B-4 5/16” x 1-1/8” - - - - 4 -
032689 B-6 5/16” x 1-1/2” - - - - 6 -
032690 B-8 5/16" x 1-1/2" - - - - 8 -
032691 B-10 5/16" x 1-7/8" - - - - 10 -
032692 C-4 3/8” x 1” - - - - - 4
048691 C-6 3/8” x 1-1/2” - - - - - 6

 

Steel marking tools, model 10 numbering wheel head for press marking

Model 10 Numbering Head

The industry standard for manual & automatic numbering. Used in press markers or roll markers to indent consecutive numbers in metal and other materials. Standard heads have 5-7 wheels, and character sizes 3/32" to 1/8". Click here to download the Numbering Head brochure.

Steel Marking Tools Radial Shank Style Machine Typeholder

Shank Style Radial Type Holder

The radial type holder is equipped with a shank for mounting in any press machine. Radial step type and logotype are held in position with a retaining plug and a socket head cap screw. The spacer ring may have more than one recess to position the marking in accordance with specifications

shank style marking dies

Shank Style Marking Dies - Rectangular or Round

Schmidt offers a variety of shank style dies, available in both rectangular or round. The shank size and lengths are machined to suit the ram of the press and the application.

Radially engraved shank style dies are also available for use in a press when a radial impression is desired on a flat surface.

 

Press Marking Catalog and Brochures

Press Marking Catalog, click to download

Press Marking Catalog

This general press marking catalog discusses an overview of Schmidt press marking machines, the impact models, squeeze action models and special application equipment. Schmidt press marking machines are designed for quick installation, easy operation, and long operation life.

Air-ove-Oil Press Marking Machine Brochure

Press Marking Air-over-Oil Machine Brochure

This brochure discusses our Air-over-Oil pneumatic impact press marker. With its anti-tie-down dual hand controls, it is quiet, safe, and great for either bench-top, mounted or mobile applications. These machines can be equipped with automatic feeding systems like shuttles, hoppers, stackers and dials, or with custom numbering heads and fixtures.

Press Marking 450 Machine Brochure

Press Marking Model 450 Machine Brochure

This brochure discusses our Model 450 squeeze action bench style marking press. These heavy duty presses deliver uniform marking regardless of variations in the thickness of parts being marked. The Model 450, available with 5 to 15 tons of marking pressure, offers reduced stress for the parts being marked and less wear on the tooling in the machine.

Numbering Head Brochure

Numbering Heads Brochure

This brochure discusses our numbering heads available for any press marking or roll marking application. Whether it is hand-held, non-automatic or automatic, Schmidt offers a wide range of straight, barrel style and combination numbering heads.

 

 

A/O (air-over-oil) Model 10 squeeze action press marking video

This video demonstrates the Model A/O10 squeeze action press marker equipped with a bowl feeding system to mark steel parts.

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