Lower Mill Assembly - PCNC 770

1

Base^*

–

2

Saddle^*

–

3

Y Ballnut Carrier^*

–

4

Screw, Socket M6 x 25

McMaster-Carr: 91290A330

5

Pin M6 x 25^*

–

6

Screw, Socket M5 x 20

McMaster-Carr: 91290A242

7

Washer^*

–

8

Spring Washer 5^*

–

9

Screw, Socket M5 x 14

McMaster-Carr: 91290A230

10

Bumper (PN 31613)

–

11

Spacer^*

–

12

X and Y Ball Screw Bearings (PN 31432)

ABEC Identification: 7201B

13

Adjustment Washer^*

–

14

X and Y Ball Screw Pre-load Nut (PN 31616)

–

15

Tab Washers for Pre-load Nut 12 (PN 31542)

–

16

Y Motor Base (PN 31617)

–

17

Bearing Cap (PN 31530)

–

18

Screw, Socket M5 x 16

McMaster-Carr: 91290A232

19

Screw, Socket M8 x 25

McMaster-Carr: 91290A432

20

Flat Washer M8

McMaster-Carr: 91166A270

21

Spring Washer M8

McMaster-Carr: 91202A246

22

Pin M8 x 30^*

–

23

Motor Coupling (PN 31421)

–

24

X- and Y-axis Stepper Motor (PN 32003)

–

25

X- and Y-axis Motor Mount Cover Plate^*

–

26

Screw, Phillips M5 × 10

McMaster-Carr: 92000A320

27

Front Flange^*

–

28

X Ballnut Carrier^*

–

29

Bed^*

–

30

X Motor Base^*

–

31

Sleeve^*

–

32

Y Ball Screw (PN 31425)

–

33

X Ball Screw (PN 31423)

–

34

Front Way Cover (PN 31419)

–

35

Holder^*

–

36

Cover Mounting Plate (PN 31628)

–

37

Rear Way Cover (PN 31437)

–

38

Flat Washer M5

McMaster-Carr: 93475A240

39

Logo Panel (PN 31630)

–

40

Front Bed Pan (PN 31420)

–

41

X Gib^*

–

42

Adjustment Screw (PN 31525)

–

43

Y Gib^*

–

44

Screw, Socket Flat Head M6 x 16

McMaster-Carr: 91294A238

45

X Limit Switch Box^*

–

46

X Limit Switch Box Cap^*

–

47

X Limit Switch Block (PN 31636)

–

48

Washer^*

–

49

Screw, Phillips M4 x 14

McMaster-Carr: 92005A222

50

Y Limit Switch Box^*

–

51

Y Limit Switch Block (PN 31639)

–

52

Y Limit Switch Box Cap^*

–

53

Screw, Phillips M5 x 8

McMaster-Carr: 92010A318

54

Screw, Socket M5 x 10

McMaster-Carr: 91290A224