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Process reliable and efficient direct drilling in H7 tolerance

As one of the leading precision cutting tool manufacturers, we continually work on solutions to enhance process reliability and improve production efficiency through optimization. On this webpage, we present our technology solutions and solid carbide products for producing bores with H7 tolerance in hardened steels up to 60 HRC.

Compared to conventional manufacturing processes, such as Electrical Discharge Machining (EDM), our innovative “direct drilling” processing solution offers several advantages. You can find further details, application examples, and information on our product portfolio on the following page.

Innovative solid carbide drills in the diameter range of 0.1 - 12 mm for hardened steels up to 60 HRC

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Technology & production processes compared

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Advantages of hard drilling:

Shorter throughput times & lower production costs
Reduction of idle times
Increase in automation & process reliability
Better surface qualities
Unmanned production
Application-dependent customization possibilities

Comparing: Processing times & production costs EMSBHE H7 drilling

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Technology

Machining time (minutes)

Production costs

Conventional Wire EDM

753

317,31 €

MOLDINO H7 drilling

169

140,09 €

Difference

-78 %

-66 %

Comparing: Processing times & production costs NSBH H7 drilling

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Technology

Machining time (minutes)

Production costs

Conventional Wire EDM

2,289

1,554.85 €

MOLDINO H7 drilling

483

738.49 €

Difference

-79 %

-53 %

Our direct drilling product portfolio

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Centering & Chamfering

DN2HC-Series
(Chamfering Tool for Hardened Steels)

Diameter: 3 – 16 mm
7 articles
Material classes:
P, M, K & H up to 65 HRC

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Piloting

EPDBEH-Series
(Epoch Deep Ball Evolution Hard)

Diameter: 0.2 – 12 mm
220 articles
Material classes:
P, M, K & H up to 68 HRC

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Drilling | ⌀ 0.1 – 2 mm

EMSBHE-Series
(Epoch Micro Step Borer Hard Evolution)

Diameter: 0.1 – 2 mm
L/D: 10xDC, 20xDC, 30xDC
60 articles
Material classes:
P & H up to 60 HRC

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Drilling | ⌀ 2 – 12 mm

NSBH-Series
(Non Step Borer Hard)

Diameter: 2 – 12 mm
L/D: 5-30xDC
63 articles
Material classes:
H up to 60 HRC

Positioning of our drills

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Application examples: Ejector and starting hole drilling

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Ejector and starting holes:
Ø 1 mm, 28 mm drilling depth
Ø 3 mm, 33 mm drilling depth

Material:
1.2379 60+2 HRC

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Ejector holes:
Ø 3 mm, 33 mm drilling depth

Material:
1.2343 ESR 54 HRC

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Curious to learn more? Connect with us, and our experts will get in touch.

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  marketing@moldino.eu

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