Page 304 - DC

TECHNICAL QUESTIONNAIRE THREAD CUTTING AND THREAD FORMING

Enquiry  Test result  Complaint 

Agency : Contact :
Customer : E-mail :
Phone or fax : Date :

1. Tool type : Thread size :
Particularity : Class of tolerance :

2. Material group :
Material N° : Hardness : N/mm /HB/HRC
2
Norm : Elongation : %

3. Thread : blind hole through hole Threaded length : mm

Core hole Ø : Depth : mm
Counter-bore Ø : Depth : mm

4. Cutting speed (V ) : m/min 1/min
c
Feed (f) : %

5. Machine : internal coolant
Working position : horizontal vertical

Rigid Tapping : “Soft Rigid Tapping“ Tapping spindle : axial compensation
collet de-clutching
Weldon reversible

hot / cold shrunk sliding clutch

6. Lubricant : emulsion oil air mist
Product :

7. Tool change reason : tool wear tool breakage
thread not correct (checked with thread plug gauge) tooth breakage in the chamfer lead
machine error tooth breakage in the guiding thread

8. Efficiency comparison
Tool under test :
Performance and observations :

Remarks :

copy to be sent to DC SWISS SA - CH-2735 Malleray Fax +41 32 491 64 64 299