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Type K8/K8G

Type K8
Die-sets with central guide pins and with the option of ball cages.
The series K8 is manufactured with plates in SAE 1020 steel, pins and bushings in SAE 8620 steel, hardness between 58 – 62 HRC.
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More Information

General Information

Types of finishing

Tipo 3: Rough side with surface finish, thickness tolerance of ± 3 mm.
Type 4: Machined side with rectified surface finish, tolerance in thickness of ± 3 mm.
Type 7: Rough side with surface finish, thickness tolerance determined
Type 8: Machined side with surface finish rectified, thickness tolerance determined

* Tolerance of parallelism between the faces: ± 0.01 mm every 100 mm (up to 1200 mm) and ± 0.02 mm every 100 mm (above 1200 mm plates).
* Squareness between face and guide pins:

Type

The die settype is determined according to the layout of the columns (Example: K3, K6, K8, K10 and K12).

Steel

The plates of the die sets are supplied in SAE 1020 steel or other types of steels by prior appointment

Assembly

There are two ways of assembly
Type 1: Without intermediate plate
Type 2: With intermediate plate

Tolerance class

The selection of tolerance between columns and bushing (Tolerance Class ) which is determined by the following way:
CF. 1 (small): Indicated for cutting tolerances less than 0.02 mm
CF. 2 (medium): Indicated for cutting tolerances between 0.02 to 0,06mm
CF. 3 (large)> Indicated for cutting tolerances between above 0,06mm

Tolerance for the drillings
Pins= T7
Bushings= H7
Position of the clamps as feeding direction:

K8

Configure the dimension of Polibase K8 as needed for your project, without addition of values, using the formula for area below:
Information necessary for the calculation of the useful area:



Assembly options


To facilitate the choice of your Polibase, the Polimold suggests some measures:
Click on the icon next to, to display: Imagem Ampliada

K8 G

Configure the dimension of Polibase K8G as needed for your project, without addition of values, using the formula for area below:
Information necessary for the calculation of the useful area:



Assembly options:


To facilitate the choice of your Polibase, the Polimold suggests some measures
Click on the icon next to, to display: Imagem Ampliada

How to request

How to request using the formula of area as needed in your project:
How to request using the suggestion of Polimold measures:

Example: To determine the Die set Code K8 with an useful area of 300x200 with P1 and P2 of 39 mm, Assembly of type 1, proceed as follows:

  • Locate the catalog the die set type to be used Ex: K8
  • Identify on Polibase table K6 the useful area: A2=300 and B2= 200
  • Indique as espessuras de placas a serem utilizadas: P1 = 3 (espessura 39 mm) e P2 = 3
  • Defina o tipo de montagem

Die set code: K8 3020 33 1
After you determine the Polibase, indicate the length of the Pin and bushing type being used.

Classification of thickness codes
CÓDIGO
ESPESSURA
1 24 mm
2 30 mm
3 39 mm
4 49 mm
5 55 mm
6 62 mm
7 75 mm
Choice the assembly
Mounting 1: Polibase without intermediate plate
Mounting 2: Polibase with intermediate plate, additional plate provided always with thickness smaller a code below, in relation to greater plate on the die set.
NOTE: The intermediate plate mounting 2 will be provided with extra-small flange bushings. If the client does not specify another type.

Components

For the choice of your Polibase you must also select the components according to the course of the tool and the material to be processed.
Guide Pin
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Pin type D
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Pin type DC
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Mounting flanges for guide pins
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Bushings
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Mounting flanges for guide bushings
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Bushings for ball cages
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Ball cages
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Bushings for ball cages
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