Copper Wire Drawing Guides
Alumina, titania and zirconia ceramic guides for copper and copper-alloy wire drawing lines — with groups, codes and dimensions.
A wire drawing guide defines the path the wire follows on drawing, winding and twisting lines, working in continuous contact with the wire. In copper wire production the hardness and surface roughness of the guide directly affect wire surface quality and break frequency: every groove that forms on the contact surface is carried into the following drawing stages as a defect. Guides are made in bead, roller, tube and rod forms; the form is chosen for the contact geometry of the line.
Erginer Seramik has produced technical porcelain since 1952 and, as a continuation of that work, manufactures the technical ceramics used in the copper-steel wire drawing and cable industries. The wire drawing guides in the catalogue are produced in alumina, titania and zirconia grades; every product is published with its own code and dimensions.
What the ceramic surface does on a drawing line
On a drawing line the guide is exposed to continuous friction under high speed and wire tension. The behaviour of ceramic materials under these conditions differs measurably from metal and plastic counterparts.
- High surface hardness (Vickers hardness reaching 19 GPa in E-500 alumina) prevents groove formation on the contact surface; the guide keeps its form even at high speeds.
- Controlled surface roughness (Ra) prevents scratching and breaking of the wire; the polishing grade (standard, matte, diamond) is chosen for the application.
- The pore-free microstructure has 0% water absorption; the guide is unaffected by cooling emulsions and drawing lubricants.
- A low thermal expansion coefficient keeps the form and dimensional tolerances stable under frictional heat.
Guide groups used in wire drawing applications
The groups below cover the guide families marked with the wire drawing application area in the catalogue. Each group opens onto its own paginated catalogue; products are listed with codes and dimensions.
Eyelet Guides
Flanged, through-bored guides for textile machinery and cable-industry ceramics, steering yarn and wire where they pass through the machine.
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Rolling Guides
Shaft-mounted ceramic rollers with two flanges. They carry the thread line on a turning body wherever yarn or wire changes direction.
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Take-Off Guides
Flanged ceramic guides with a central bore. Radial channels on the face centre the yarn where it passes through.
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Tube Guides
Plain ceramic tubes. Yarn or wire runs through the bore, at machine pass-through points, on wire drawing lines and in cable-industry ceramics.
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Rod Guides
Plain ceramic rods. They form the contact surface that yarn or wire runs over at tension and direction-change points.
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Special Guides
Ceramic guides made to a machine-specific shape. Plates, angled bodies and custom bores belong to this group.
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Size ranges in the catalogue
| Group | Products | Diameter range (mm) |
|---|---|---|
| Eyelet Guides | 633 | 0.3 – 79.3 |
| Rolling Guides | 247 | 1.3 – 168 |
| Take-Off Guides | 13 | 2.4 – 29 |
| Tube Guides | 338 | 0.7 – 90 |
| Rod Guides | 138 | 1.3 – 19.3 |
| Special Guides | 495 | 0.5 – 120 |
Material selection: alumina, titania, zirconia
The guide material is chosen according to line speed, wire material and contact geometry. The alumina grades (E-100–E-500) are produced at different purity and hardness levels; the highest purity and hardness belong to E-500, preferred on lines with high speed and tension. Zirconia (E-Z) is used where high flexural strength and impact resistance are required; conductive titania (E-TB) where static build-up must be prevented. At hot contact points such as annealing-furnace exits low thermal expansion is decisive; on lines before enamel coating, surface roughness is. The measured material values are in the data table on the Technical Ceramic page.
Frequently asked questions
Which ceramic material is used in copper wire drawing?
The common choice is the alumina grades (E-100–E-500); at high speed and tension E-500 is the optimum solution. Zirconia (E-Z) is used in positions carrying impact risk, and conductive titania (E-TB) on lines where static build-up must be prevented.
How are the dimensions of a wire drawing guide chosen?
The determining factors are the wire diameter and the contact geometry on the line. Every guide in the catalogue is published with its dimension codes such as ØD, Ød and H; the bore is chosen in millimetres to stay above the wire diameter. The size-range table below shows the span of each group; type a code or a dimension into the search bar above to list the closest products.
Can a guide be produced in a size not found in the catalogue?
Yes. The "Custom Production Request" button on each product page prepares a message containing the product code; add the dimensions and quantity you need and send it via WhatsApp or e-mail.
Does a ceramic guide damage the wire?
No; the aim is the opposite. Micro-level controlled roughness (Ra) prevents the wire from fuzzing, scratching and breaking. Which of the standard, matte and diamond polishing options is applied is decided by the place of use; on surface-critical lines such as those before enamel coating, finer polishing grades are preferred.
Is a wire drawing guide the same part as a drawing die?
No. The die reduces the wire cross-section; the guide defines and steers the path the wire follows on the line. The groups on this page cover the steering guides.