Z / Theta-Z Axis

Assembly

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Ball-screw vertical stroke with a hollow spline for rotation.

Direct parts	7
Total parts	59
Used in	1 assembly
Class	Assembly

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Ball-screw vertical stroke with a hollow spline for rotation. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Z / Theta-Z Axis parts and their functions

7 top-level parts · 59 parts in total · full bill of materials below

Z / Theta-Z Axis parts diagram: 1 servo motor, 2 ball screw, 3 ball spline shaft, 4 linear guide rail, 5 ball bearing, 6 drive belt, 7 absolute encoder. 59 parts in 7 top-level items. — Z / Theta-Z Axis parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Servo Motor 4 parts	2×	Z lift + theta-Z spin
2	Ball Screw	1×	12 mm lead
3	Ball Spline Shaft	1×	Hollow ball spline
4	Linear Guide Rail	1×	Ground steel rail and recirculating-ball carriage that guide a moving axis in a straight line with high stiffness and low friction.
5	Ball Bearing	4×	Deep-groove radial ball bearing.
6	Drive Belt	2×	Timing belts
7	Absolute Encoder	2×	17-bit multi-turn position feedback.

3D model

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Build & assembly graph

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Bill of materials for Z / Theta-Z Axis

7 top-level lines · 18 rows shown · 59 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Servo Motor 4 parts	servo-motor	2×	2	24	assembly
1.1	Stator Assembly 3 parts	stator-assembly	1×	2	3	assembly
1.1.1	Stator Core (laminations)	stator-core	1×	2	·	part
1.1.2	Copper Winding	copper-winding	1×	2	·	part
1.1.3	Slot Insulation	stator-insulation	1×	2	·	part
1.2	Rotor Assembly 4 parts	rotor-assembly	1×	2	19	assembly
1.2.1	Rotor Shaft	rotor-shaft	1×	2	·	part
1.2.2	Rotor Core	rotor-core	1×	2	·	part
1.2.3	Neodymium Magnet	neodymium-magnet	16×	32	·	part
1.2.4	Ball Bearing	ball-bearing	1×	2	·	part
1.3	Encoder	encoder	1×	2	·	part
1.4	Motor Housing	motor-housing	1×	2	·	part
2	Ball Screw	ball-screw	1×	1	·	part
3	Ball Spline Shaft	assembly-robot-cell-spline-shaft	1×	1	·	part
4	Linear Guide Rail	linear-guide	1×	1	·	part
5	Ball Bearing	ball-bearing	4×	4	·	part
6	Drive Belt	drive-belt	2×	2	·	part
7	Absolute Encoder	assembly-robot-cell-abs-encoder	2×	2	·	part

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Where the z / theta-Z axis is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Robotics & Automation 1 Robotic Assembly Cell

Used in 1 assembly

SCARA Robot Arm

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks