Maintenance intervals

One cycle is calculated on a standard stack of 10 mm.

				Heavy Usage	Medium Usage	Light Usage
Cycles	Total drilling length (meter)	Action	Spare part	Use kit, Ordering No.	Use kit, Ordering No.	Use kit, Ordering No.
^a Independent from the drilling thickness
10,000	100	Replace	Bevel gear (RA tool)	4141 0410 91
20,000	200	Replace	Chiplet	4141 0713 9X 4141 0759 9X
20,000	200	Replace	Ratchet^a	4141 0713 9X 4141 0759 9X
25,000	250	Replace	Ratchet^a		4141 0713 9X 4141 0759 9X	4141 0713 9X 4141 0759 9X
50,000	500	Replace	Bevel gear (RA tool)		4141 0410 91
			Thrust bearing	4141 0509 91
			Chiplet		4141 0713 9X 4141 0759 9X
			Piston	4081 0496 90	4081 0496 90	4081 0496 90
		Re-grease	Planetary shaft (LS tool)	Grease (Type A)	Grease (Type A)	N/A
		Re-grease	Overload clutch^a	Grease (Type A)	Grease (Type A)	Grease (Type A)
100,000	1000	Replace	Bevel gear (RA tool)			4141 0410 91
			Thrust bearing		4141 0509 91	4141 0509 91
			Chiplet			4141 0713 9X 4141 0759 9X
			Planetary shaft (LS tool)	4141 0444 90
			Overload clutch^a	4141 0498 92	4141 0498 92	4141 0498 92
200,000	2000	Replace	Planetary shaft (LS tool)	4141 0444 90

The drilling operation may produce different efforts (torque, thrust) than the estimated value due to different cutting tools geometry, material properties or lubrication. Therefore, the same operation can be categorized differently.

	Heavy Usage	Medium Usage	Light Usage
Rotational speed and Drilling efforts	Speed 350-1200 rpm Torque 4 Nm Thrust 1.3 KN	Speed 1600-3200 rpm Torque 1.2 Nm Thrust 0.6 KN	Speed 3200-7300 rpm Torque 0.5 Nm Thrust 0.25 KN
Example of operations	Drill bit >14 mm (>9/16") Material: Alu 10 < Drill bit <12,7 mm (<1/2") Material: Titan	10 < Drill bit <14mm (<9/16") Material: Alu Drill bit: <10mm (<3/8") Material: Titan Drill bit > 12,7mm (>1/2") Material: CF	Drill bit: <10 mm (<3/8") Material: Al Drill bit: <12,7mm (<1/2") Material: CFRP

Heavy Usage

Medium Usage

Light Usage

Rotational speed and Drilling efforts

Speed 350-1200 rpm
Torque 4 Nm
Thrust 1.3 KN

Speed 1600-3200 rpm
Torque 1.2 Nm
Thrust 0.6 KN

Speed 3200-7300 rpm
Torque 0.5 Nm
Thrust 0.25 KN

Example of operations

Drill bit >14 mm (>9/16")
Material: Alu
10 < Drill bit <12,7 mm (<1/2")
Material: Titan

10 < Drill bit <14mm (<9/16")
Material: Alu
Drill bit: <10mm (<3/8")
Material: Titan
Drill bit > 12,7mm (>1/2")
Material: CF

Drill bit: <10 mm (<3/8")
Material: Al
Drill bit: <12,7mm (<1/2")
Material: CFRP