Solid carbide drill plain shank DIN 6535 HA 180°, TiAlN, ⌀ DC m7: 20mm

Article no.: 122506 20
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⌀ DC m7 (mm) Price per 1 Piece (incl. VAT)

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Product details

Technical Data

Through-coolant yes, with 25 bar
Cooling lubricant yes
Interface position on the machine
Holder type Plain shank
Interface coding ZYL02000115
Holder shape plain shank
Holder version metric
Holder size, metric 0200 mm
Type of mounting spigot
Holder tolerance class h$06
Shank diameter 20 mm
Shank length 50 mm
Holder diameter, ISO tolerance class 20 mm
Shank type HA
Cutter diameter, min. 20 mm
Cutter diameter, max. 20 mm
Configurable no
Tolerance of cutter diameter tolerance class ISO
Tolerance class ISO manufacturer tolerance
Flute length 77 mm
Number of teeth 2
Twist direction right-hand
Helix angle, min. 30 degrees
Angle, 1st step 180 degrees
Point geometry A
Product designation (type) N
Pilot drill required yes
Tool material solid carbide
Cutting media, manufacturer’s designation VHM TiAlN
Coating TiAlN
Interface joint 1
Gauge length 79 mm
Usable length 53 mm
Overall length 129 mm
Functional length 53 mm
Weight 418 g
Cutting direction right-hand cutting
Tool version solid carbide
Standard Werksnorm
Machining method drilling into solid material
Colour ring green
Type of product indexable drill
Content single part

Identification & Classification

Article number 122506 20
EAN / GTIN 4045197647498
Manufacturer number 122506 20
Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Application Table

Steel < 500 N/mm²
P
85
Steel < 750 N/mm²
P
75
Steel < 900 N/mm²
P
60
Steel < 1100 N/mm²
P
50
INOX < 900 N/mm²
M
45
GG(G)
K
90
Uni
 
wet maximum
 
wet minimum
 
Air
 

Description

Execuţie:

Contur special pentru execuţia de găuri cu baza găurii de 180°. Forţe radiale reduse la găurirea suprafeţelor înclinate până la 45°. Geometria canalelor de aşchii pentru o evacuare optimă a aşchiilor. Cu 4 faţete de ghidare pentru stabilizarea burghiului în gaură.

Avantaj:

Unghiul la vârf de 180° permite alezarea şi lamarea într-un singur proces de lucru.

Recomandare:

Pentru utilizarea în condiţii de siguranţă a burghielor din carbură la 180° este obligatoriu necesar:
  • La găurirea suprafeţelor plane realizarea unei găuri de ghidare 1×D cu burghiul pilot Cod 122736.
  • La găurirea suprafeţelor înclinate
    până la 15°: reducerea avansului f la 50 %,
    până la 30°: reducerea avansului f la 40 %
    şi până la max. 45°: reducerea avansului f la 25 % din valorile indicate. După găurire se poate folosi valoarea de avans normală.

Notă:

Lungime canelură LC = L2 + 1,5 × DC.
Formele HB şi HE se livrează la acelaşi preţ cu Forma HA.
Forma HB: se comandă cu Cod 122506 + 129100HB.
Forma HE: se comandă cu Cod 122506 + 129100HE.
Burghiu din carbură 180° pentru prelucrarea aluminiului, livrabil la cerere.
Nu se recomandă la generarea de teşituri pentru şuruburi cu cap cilindric, conform DIN974-1.

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