Fastener Machining: Threads at Very High Volume | New Partner
Fasteners and connecting parts: outside diameter, thread and head features, bar feed on Swiss-type machines, linked lines and vision-guided flexible feeding.
Fasteners machining and automation
Fasteners (Precision fastener, Connecting part): A small part whose main feature is the thread, made in very large volumes. The page runs from what the part is and where it is used, through the machining process and machine selection, to automatic loading, feeding, inspection and the business lines that cover it.
What it is
Fasteners (Precision fastener, Connecting part) belongs to the precision hardware group. A small part whose main feature is the thread, made in very large volumes.
Where these parts come from
The industries this type of workpiece appears in; each industry page sets out the machining and automation entry points for its parts.
How the part is machined
The features and operations this structure usually calls for. The sequence actually run is cut to the dimensions and geometric requirements on the drawing.
- Outside diameter and end faces
- Thread
- Head forming or milling
- Burr removal
Machine tools that fit (chosen by structure, not by brand)
Swiss-type machine or CNC lathe
Batch turning and threading
Drill & tap center
When the part has holes or an irregular shape
How it is loaded and unloaded automatically
The handling method follows from part size and weight, batch size, cycle time, the number of machines and the state the blanks arrive in.
Approach 1
Automatic bar feed on the Swiss-type machine
Approach 2
A linked line where one handling unit covers several machines
Approach 3
Vision-guided flexible feeding
Feeding and buffering
Inspection after machining
What this page is, and what it is not
No project case is shown for this part, and that is a statement of position, not an omission.
Product application — this page describes how this family of parts is generally machined and automated. That is manufacturing know-how that applies across the industry, not a description of one order.
Automation fit — the loading, feeding and inspection approaches listed above are options derived from structure, batch size and cycle time. The configuration actually built has to be calculated from the conditions of the project.
Verified project — no public project for this part has customer written authorization, so this page carries no project name, cycle time, output or result figure. For installed systems that are documented, see the shop-floor photos filed by business line: CNC Lathe Loading & Unloading — shop-floor photos and project cases.
Business lines that cover this part
Matched on how the part is made, not by hanging all of the business lines on it.
Fasteners — frequently asked questions
What are fasteners?
Fasteners belongs to the precision hardware group. A small part whose main feature is the thread, made in very large volumes.
Where are fasteners used?
Commonly seen in these industries: Precision Hardware & Fasteners. The industry pages on this site set out the machining and automation entry points for those workpieces.
How are fasteners machined?
The main operations are: Outside diameter and end faces; Thread; Head forming or milling; Burr removal. The actual sequence is cut to the dimensions and geometric requirements on the drawing.
Which machine tools are used for fasteners?
Swiss-type machine or CNC lathe — Batch turning and threading. Drill & tap center is the alternative: When the part has holes or an irregular shape.
Can fasteners be loaded and unloaded automatically?
Yes. The usual approaches are: Automatic bar feed on the Swiss-type machine; A linked line where one handling unit covers several machines; Vision-guided flexible feeding. Whether it works depends on part size and weight, cycle time and machine layout, all of which have to be calculated.
How are fasteners fed automatically?
Options: Bar feeding; Bins with vision-guided flexible feeding. Feeding capacity is calculated from the parts per layer, the usable number of layers and the machining cycle; no fixed continuous running time is promised.
How are fasteners inspected after machining?
Checks usually applied: Threads; Dimensions; Appearance. Precision dimensional measurement needs dedicated measuring equipment and has different limits from vision inspection.
How is automation for fasteners planned?
Start from the part, not from a robot model: confirm the structure and the clamping datum first, then choose the machine combination and the automation method from batch size and cycle time, and finally check that feeding, buffering, inspection and safety interlocks form a closed loop.
Send the machine brand/model, part drawing or photo, blank and finished-part handling, single or multi-machine layout, target cycle and acceptance requirements.
Request an assessment Call +86 150 5020 2625