Drawing and Engineering Review
We review mating surfaces and interface dimensions and assess material, heat treatment and manufacturing feasibility.
Locking nut / head nut
Secures the mantle to the crushing head through the torch ring or clamping assembly.
Locking nut / head nut (Locking Nut)— Cone Crushers Wear part, position 05.
Location and Function
| Material Options | Cast steel or quenched and tempered alloy steel of the 35CrMo or 42CrMo type, as specified in the OEM drawing |
| Typical Properties and Acceptance Criteria | A high-preload load-bearing part. Control yield strength, core toughness, thread accuracy, face runout, magnetic particle or ultrasonic inspection and surface damage. Threads must match the crushing head, with tightening and locking performed to the OEM procedure. |
| Principal Failure Mechanism | Abrasion, fatigue, corrosion or assembly damage; use photographs of failed parts from the site to identify the dominant mechanism |
Information Required for RFQ
- Equipment manufacturer, machine model, serial number, model details and latest drawing revision;
- Part dimensions, unit weight, key tolerances, assembly and fastening method;
- Current material, chemical composition, heat treatment, hardness and mechanical property reports;
- Processed material, maximum particle size, hardness/abrasiveness, moisture and tramp material records;
- Speed, load, temperature, pressure, process medium chemistry and continuous operating time;
- Failure photographs, wear measurements, crack/fracture locations and current service life;
Materials and values are for preliminary engineering selection. Final chemical composition, heat treatment, hardness and dimensional tolerances must follow the OEM drawings and technical agreement.
Related Pages
Equipment, Materials and OEM Installations
Use these links for engineering pre-selection. Final fit must be checked against the full model, serial number, drawing revision, dimensions and actual duty.
Equipment
Related materials
Independent aftermarket information. OEM names and trademarks belong to their owners and do not imply authorization, affiliation or endorsement. Confirm the series, full model, serial number, drawings and duty before manufacture.