Perni di contorno / cilindrici / HSS, acciaio per utensili / d, L 0,01 mm / a gradini / forma della faccia selezionabile (Codici componente - Download CAD)

Perni di contorno / cilindrici / HSS, acciaio per utensili / d, L 0,01 mm / a gradini / forma della faccia selezionabile

Fare clic sull'immagine per ingrandirla.

Cliccare sull´immagine per ingrandirla.

Codice componente

Qui sono indicati i codici componente
correlati al prodotto ricercato

Codice componente:  

    L'anteprima 3D non è disponibile perché non è ancora stato definito il codice componente.

  • Per poter visualizzare l'anteprima 3D è necessario definire il codice componente.
Loading...
Codice componente
CPHBS-DT7-[12-150/0.01]-P[6.5-6.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT7-[12-150/0.01]-P[6.5-6.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT8-[12-150/0.01]-P[7-7.99/0.01]-F[10-150/0.01]-A[2-7.98/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT8-[12-150/0.01]-P[7-7.99/0.01]-F[10-150/0.01]-A[2-7.98/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT8-[12-150/0.01]-P[7-7.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT8-[12-150/0.01]-P[7-7.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT10-[12-150/0.01]-P[8-9.99/0.01]-F[10-150/0.01]-A[2-9.98/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT10-[12-150/0.01]-P[8-9.99/0.01]-F[10-150/0.01]-A[2-9.98/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT10-[12-150/0.01]-P[8-9.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT10-[12-150/0.01]-P[8-9.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT13-[12-150/0.01]-P[10-12.99/0.01]-F[10-150/0.01]-A[2.5-12.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT13-[12-150/0.01]-P[10-12.99/0.01]-F[10-150/0.01]-A[2.5-12.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT13-[12-150/0.01]-P[10-12.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT13-[12-150/0.01]-P[10-12.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT16-[12-150/0.01]-P[13-15.99/0.01]-F[10-150/0.01]-A[2.5-15.98/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT16-[12-150/0.01]-P[13-15.99/0.01]-F[10-150/0.01]-A[2.5-15.98/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT16-[12-150/0.01]-P[13-15.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT16-[12-150/0.01]-P[13-15.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT20-[30-150/0.01]-P[16-19.99/0.01]-F[28-150/0.01]-A[5-19.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT20-[30-150/0.01]-P[16-19.99/0.01]-F[28-150/0.01]-A[5-19.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT20-[30-150/0.01]-P[16-19.99/0.01]-F[28-150/0.01]-AAC[4-4.99/0.01]-C[0.1-4/0.1]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-DT20-[30-150/0.01]-P[16-19.99/0.01]-F[28-150/0.01]-AAC[4-4.99/0.01]-CVC[0.1-1/0.01]-K[1-45/1]-S[0.1-35/0.1]
CPHBS-EB1-[12-100/0.01]-P[0.8-0.99/0.01]-F[10-99.4/0.01]-A[0.5-0.99/0.01]-R[0.2-0.3/0.1]
CPHBS-EB1-[12-100/0.01]-P[0.8-0.99/0.01]-F[10-99.4/0.01]-A[0.5-0.99/0.01]-RE[0.5-2/0.5]
CPHBS-EB1-[12-100/0.01]-P[0.8-0.99/0.01]-F[10-99.4/0.01]-AAC[0.4-0.49/0.01]-R[0.2-0.3/0.1]
CPHBS-EB1-[12-100/0.01]-P[0.8-0.99/0.01]-F[10-99.4/0.01]-AAC[0.4-0.49/0.01]-RE[0.5-2/0.5]
CPHBS-EB1.5-[12-100/0.01]-P[1-1.49/0.01]-F[10-99.3/0.01]-A[0.5-1.48/0.01]-R[0.2-0.4/0.1]
CPHBS-EB1.5-[12-100/0.01]-P[1-1.49/0.01]-F[10-99.3/0.01]-A[0.5-1.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB1.5-[12-100/0.01]-P[1-1.49/0.01]-F[10-99.3/0.01]-AAC[0.4-0.49/0.01]-R[0.2-0.4/0.1]
CPHBS-EB1.5-[12-100/0.01]-P[1-1.49/0.01]-F[10-99.3/0.01]-AAC[0.4-0.49/0.01]-RE[0.5-2/0.5]
CPHBS-EB2-[12-100/0.01]-P[1.5-1.99/0.01]-F[10-99.3/0.01]-A[0.5-1.98/0.01]-R[0.2-0.7/0.1]
CPHBS-EB2-[12-100/0.01]-P[1.5-1.99/0.01]-F[10-99.3/0.01]-A[0.5-1.98/0.01]-RE[0.5-2/0.5]
CPHBS-EB2.5-[12-100/0.01]-P[2-2.49/0.01]-F[10-99.3/0.01]-A[0.5-2.48/0.01]-R[0.2-0.9/0.1]
CPHBS-EB2.5-[12-100/0.01]-P[2-2.49/0.01]-F[10-99.3/0.01]-A[0.5-2.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB3-[12-100/0.01]-P[2.5-2.99/0.01]-F[10-99.3/0.01]-A[0.7-2.98/0.01]-R[0.2-1.1/0.1]
CPHBS-EB3-[12-100/0.01]-P[2.5-2.99/0.01]-F[10-99.3/0.01]-A[0.7-2.98/0.01]-RE[0.5-2/0.5]
CPHBS-EB3.5-[12-120/0.01]-P[3-3.49/0.01]-F[10-119.3/0.01]-A[1-3.48/0.01]-R[0.2-1/0.1]
CPHBS-EB3.5-[12-120/0.01]-P[3-3.49/0.01]-F[10-119.3/0.01]-A[1-3.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB3.5-[12-120/0.01]-P[3-3.49/0.01]-F[10-119.3/0.01]-AAC[0.7-0.99/0.01]-R[0.2-1/0.1]
CPHBS-EB3.5-[12-120/0.01]-P[3-3.49/0.01]-F[10-119.3/0.01]-AAC[0.7-0.99/0.01]-RE[0.5-2/0.5]
CPHBS-EB4-[12-120/0.01]-P[3.5-3.99/0.01]-F[10-119.3/0.01]-A[1-3.98/0.01]-R[0.2-1/0.1]
CPHBS-EB4-[12-120/0.01]-P[3.5-3.99/0.01]-F[10-119.3/0.01]-A[1-3.98/0.01]-RE[0.5-2/0.5]
CPHBS-EB4-[12-120/0.01]-P[3.5-3.99/0.01]-F[10-119.3/0.01]-AAC[0.7-0.99/0.01]-R[0.2-1/0.1]
CPHBS-EB4-[12-120/0.01]-P[3.5-3.99/0.01]-F[10-119.3/0.01]-AAC[0.7-0.99/0.01]-RE[0.5-2/0.5]
CPHBS-EB4.5-[12-120/0.01]-P[4-4.49/0.01]-F[10-119.3/0.01]-A[1-4.48/0.01]-R[0.2-1.7/0.1]
CPHBS-EB4.5-[12-120/0.01]-P[4-4.49/0.01]-F[10-119.3/0.01]-A[1-4.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB5-[12-150/0.01]-P[4.5-4.99/0.01]-F[10-150/0.01]-A[1-4.98/0.01]-R[0.2-1.9/0.1]
CPHBS-EB5-[12-150/0.01]-P[4.5-4.99/0.01]-F[10-150/0.01]-A[1-4.98/0.01]-RE[0.5-2/0.5]
CPHBS-EB5.5-[12-150/0.01]-P[5-5.49/0.01]-F[10-150/0.01]-A[1.5-5.48/0.01]-R[0.2-1/0.1]
CPHBS-EB5.5-[12-150/0.01]-P[5-5.49/0.01]-F[10-150/0.01]-A[1.5-5.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB5.5-[12-150/0.01]-P[5-5.49/0.01]-F[10-150/0.01]-AAC[1-1.49/0.01]-R[0.2-1/0.1]
CPHBS-EB5.5-[12-150/0.01]-P[5-5.49/0.01]-F[10-150/0.01]-AAC[1-1.49/0.01]-RE[0.5-2/0.5]
CPHBS-EB6-[12-150/0.01]-P[5.5-5.99/0.01]-F[10-150/0.01]-A[2-5.98/0.01]-R[0.2-1/0.1]
CPHBS-EB6-[12-150/0.01]-P[5.5-5.99/0.01]-F[10-150/0.01]-A[2-5.98/0.01]-RE[0.5-2/0.5]
CPHBS-EB6-[12-150/0.01]-P[5.5-5.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-R[0.2-1/0.1]
CPHBS-EB6-[12-150/0.01]-P[5.5-5.99/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-RE[0.5-2/0.5]
CPHBS-EB6.5-[12-150/0.01]-P[6-6.49/0.01]-F[10-150/0.01]-A[2-6.48/0.01]-R[0.2-1/0.1]
CPHBS-EB6.5-[12-150/0.01]-P[6-6.49/0.01]-F[10-150/0.01]-A[2-6.48/0.01]-RE[0.5-2/0.5]
CPHBS-EB6.5-[12-150/0.01]-P[6-6.49/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-R[0.2-1/0.1]
CPHBS-EB6.5-[12-150/0.01]-P[6-6.49/0.01]-F[10-150/0.01]-AAC[1.5-1.99/0.01]-RE[0.5-2/0.5]
Codice componente
Prezzo unitario standard
Quantità minima d'ordineSconto volumi elevati
Giorni
spedizione standard
?
RoHSMaterial L dimension tolerance A/AAC (Tip diameter)
(mm)
D/P (Shaft diameter)
(mm)
Type of the first step Step1 Tip shape Shape No. (Nominal diameter)
(mm)
RE (R shape alteration・enlargement)
(mm)
C (Step type taper width)
(mm)
CVC (C dimension can be designated at 0.01mm increments)
(mm)
F (Bearing bore length)
(mm)
G (Tip C chamfering width)
(mm)
K (Tip angle)
(°)
L (L dimension)
(mm)
Q (Tip R chamfering)
(mm)
R (Step type R)
(mm)
S (Tip tapered width)
(mm)

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.996.5 ~ 6.99DT7-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.996.5 ~ 6.99DT7--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02 ~ 7.987 ~ 7.99DT8-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02 ~ 7.987 ~ 7.99DT8--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.997 ~ 7.99DT8-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.997 ~ 7.99DT8--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02 ~ 9.988 ~ 9.99DT10-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02 ~ 9.988 ~ 9.99DT10--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.998 ~ 9.99DT10-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.998 ~ 9.99DT10--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02.5 ~ 12.9910 ~ 12.99DT13-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02.5 ~ 12.9910 ~ 12.99DT13--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.9910 ~ 12.99DT13-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.9910 ~ 12.99DT13--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02.5 ~ 15.9813 ~ 15.99DT16-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/02.5 ~ 15.9813 ~ 15.99DT16--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.9913 ~ 15.99DT16-0.1 ~ 4-10 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/01.5 ~ 1.9913 ~ 15.99DT16--0.1 ~ 110 ~ 150-1 ~ 4512 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/05 ~ 19.9916 ~ 19.99DT20-0.1 ~ 4-28 ~ 150-1 ~ 4530 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/05 ~ 19.9916 ~ 19.99DT20--0.1 ~ 128 ~ 150-1 ~ 4530 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/04 ~ 4.9916 ~ 19.99DT20-0.1 ~ 4-28 ~ 150-1 ~ 4530 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH51+0.02/04 ~ 4.9916 ~ 19.99DT20--0.1 ~ 128 ~ 150-1 ~ 4530 ~ 150--0.1 ~ 35

-

1 Preventivo 10SKH510/-0.050.5 ~ 0.990.8 ~ 0.99EB1---10 ~ 99.4--12 ~ 100-0.2 ~ 0.3-

-

1 Preventivo 10SKH510/-0.050.5 ~ 0.990.8 ~ 0.99EB10.5 ~ 2--10 ~ 99.4--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.4 ~ 0.490.8 ~ 0.99EB1---10 ~ 99.4--12 ~ 100-0.2 ~ 0.3-

-

1 Preventivo 10SKH510/-0.050.4 ~ 0.490.8 ~ 0.99EB10.5 ~ 2--10 ~ 99.4--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.5 ~ 1.481 ~ 1.49EB1.5---10 ~ 99.3--12 ~ 100-0.2 ~ 0.4-

-

1 Preventivo 10SKH510/-0.050.5 ~ 1.481 ~ 1.49EB1.50.5 ~ 2--10 ~ 99.3--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.4 ~ 0.491 ~ 1.49EB1.5---10 ~ 99.3--12 ~ 100-0.2 ~ 0.4-

-

1 Preventivo 10SKH510/-0.050.4 ~ 0.491 ~ 1.49EB1.50.5 ~ 2--10 ~ 99.3--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.5 ~ 1.981.5 ~ 1.99EB2---10 ~ 99.3--12 ~ 100-0.2 ~ 0.7-

-

1 Preventivo 10SKH510/-0.050.5 ~ 1.981.5 ~ 1.99EB20.5 ~ 2--10 ~ 99.3--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.5 ~ 2.482 ~ 2.49EB2.5---10 ~ 99.3--12 ~ 100-0.2 ~ 0.9-

-

1 Preventivo 10SKH510/-0.050.5 ~ 2.482 ~ 2.49EB2.50.5 ~ 2--10 ~ 99.3--12 ~ 100---

-

1 Preventivo 10SKH510/-0.050.7 ~ 2.982.5 ~ 2.99EB3---10 ~ 99.3--12 ~ 100-0.2 ~ 1.1-

-

1 Preventivo 10SKH510/-0.050.7 ~ 2.982.5 ~ 2.99EB30.5 ~ 2--10 ~ 99.3--12 ~ 100---

-

1 Preventivo 10SKH510/-0.051 ~ 3.483 ~ 3.49EB3.5---10 ~ 119.3--12 ~ 120-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051 ~ 3.483 ~ 3.49EB3.50.5 ~ 2--10 ~ 119.3--12 ~ 120---

-

1 Preventivo 10SKH510/-0.050.7 ~ 0.993 ~ 3.49EB3.5---10 ~ 119.3--12 ~ 120-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.050.7 ~ 0.993 ~ 3.49EB3.50.5 ~ 2--10 ~ 119.3--12 ~ 120---

-

1 Preventivo 10SKH510/-0.051 ~ 3.983.5 ~ 3.99EB4---10 ~ 119.3--12 ~ 120-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051 ~ 3.983.5 ~ 3.99EB40.5 ~ 2--10 ~ 119.3--12 ~ 120---

-

1 Preventivo 10SKH510/-0.050.7 ~ 0.993.5 ~ 3.99EB4---10 ~ 119.3--12 ~ 120-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.050.7 ~ 0.993.5 ~ 3.99EB40.5 ~ 2--10 ~ 119.3--12 ~ 120---

-

1 Preventivo 10SKH510/-0.051 ~ 4.484 ~ 4.49EB4.5---10 ~ 119.3--12 ~ 120-0.2 ~ 1.7-

-

1 Preventivo 10SKH510/-0.051 ~ 4.484 ~ 4.49EB4.50.5 ~ 2--10 ~ 119.3--12 ~ 120---

-

1 Preventivo 10SKH510/-0.051 ~ 4.984.5 ~ 4.99EB5---10 ~ 150--12 ~ 150-0.2 ~ 1.9-

-

1 Preventivo 10SKH510/-0.051 ~ 4.984.5 ~ 4.99EB50.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.051.5 ~ 5.485 ~ 5.49EB5.5---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051.5 ~ 5.485 ~ 5.49EB5.50.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.051 ~ 1.495 ~ 5.49EB5.5---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051 ~ 1.495 ~ 5.49EB5.50.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.052 ~ 5.985.5 ~ 5.99EB6---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.052 ~ 5.985.5 ~ 5.99EB60.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.051.5 ~ 1.995.5 ~ 5.99EB6---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051.5 ~ 1.995.5 ~ 5.99EB60.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.052 ~ 6.486 ~ 6.49EB6.5---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.052 ~ 6.486 ~ 6.49EB6.50.5 ~ 2--10 ~ 150--12 ~ 150---

-

1 Preventivo 10SKH510/-0.051.5 ~ 1.996 ~ 6.49EB6.5---10 ~ 150--12 ~ 150-0.2 ~ 1-

-

1 Preventivo 10SKH510/-0.051.5 ~ 1.996 ~ 6.49EB6.50.5 ~ 2--10 ~ 150--12 ~ 150---

Loading...

Informazioni di base

Shape type One-step Shaft diameter tolerance 0/-0.005 Tip gradient tolerance 0/-0.01
Tip lapped or not No Type of the second step Step2 No second step

Supporto tecnico