Item Description

Merchandise Description

Girth Gears: Rotary kiln Girth Gear,ball mill Girth Equipment

Girth Gears offered find in depth software in different market sectors such as in sponge iron vegetation, steel & cement sector, mining market, wind mills as effectively as in other market sectors. These are made obtainable in module selection of ten Module to 70 Module and in least diameters of a hundred mm to 15000 mm. Further, these comprise greatest fat of 70 MT solitary pieces. Right here the assortment of hardened & floor equipment boxes/gears comprise Worm equipment containers, Helical / Double helical gears/gearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and other individuals.

ZTIC Gear Cutting Equipment consist of:

Ø16m CNC Hobbing MachineØ12m Equipment Slicing Device (Switzerland)Ø10m Hobbing Device (Germany)Ø4m CNC Substantial Velocity Hobbing Equipment (Germany)Ø1.6m Horizontal CHC Hobbing Machine (Germany)Ø5m CNC Profile Gear Grinding Machine (Germany)Ø2.8m CNC Profile Gear Grinding Device (Germany)Ø1.25m CNC Profile Gear Grinding Machine (Germany)Ø1m CNC Profile Gear Grinding Equipment (Germany)Ø0.8m CNC Profile Gear Grinding Equipment (Germany)Automated positioner

Module Selection:  ten Module to 70 Module.

Diameter : Min 100 mm to16000 mm.

Weight : Max one hundred twenty MT one piece.

Hardened & Ground Equipment Packing containers/Gears:

Worm equipment boxesHelical / Double helical gears/gearboxesHelical-Bevel gearboxesPlanetary GearboxesHardened & Ground Helical- CZPT & Spiral-bevels gears/gearboxes.Rack & Pinions

Rankings:

Min 3 hp to  Max 1400 hpSplash / Pressured lubrication type

Deliver Enquiry

With a lot more than one thousand girth gears bought above the entire world CZPT Gear is a leading supplier in the cement and mineral industry. And as member of AGMA (American Gear Companies Association), we do actively consider element in defining the normal for gear rating calculations and services aspects. 

We offer girth gears in 3 diverse patterns

Fabricated steel
– solid ring
– rolled plate

Cast steel 

Ductile (Nodular) forged iron  

Fabricated gears turned a lot more widespread in the previous and are created with forged metal gear rim resources and electro welded human body framework. The rings are manufactured from a entire block of higher resistance alloy steel. Right after the rough machining of the ring, we carry out hardening and tempering heat treatment method in get to improve the mechanical attribute and therefore its relevant efficiency.  

Avantages of fabricated girth gears

The forged content structure excludes the risk of inclusions

Structure problems like fuel holes, CZPT shrinkage, pin holes, scorching tears, sand and slag inclusions are avoided

Consequently, mend welding of the entire body structure and e.g. grinding of toothed places is not required.

The fabricated production process excludes the require for styles and risers

Rim material has larger hardness and larger toughness than the material employed for the fundamental construction (i.e. world wide web, gussets)

These functions will reduce the guide time and charges. Fabricated manufacturing guarantees a rapidly shipping.

This is specifically helpful in an unexpected emergency situation, exactly where the present equipment rim is suffering from damage   

Features

Exterior teeth 
Maximum diameter: 16000 mm 
Toothed encounter width: 1700 mm 
Highest module: forty five by hob 
Greatest module: 65 equipment ending cutter

Internal teeth 
Highest Diameter: 6500 mm 
Optimum module: twenty five.4 
Toothed experience width: four hundred mm

Forging substance process 
Forging 
Ultimate rolling 
Furnace cooling 
Handle on production 
Drinking water quenching 
Hardness testing 
Rough machining 
Ultrasonic testing and dimensional inspection 
Last inspection certification

Standards/Certificates 
UNI EN ISO 
AWS 
ASTM 
ASME 
DIN 
Applications 
Our girth gears are applied in the cement and minerals industries: 
Various varieties of horizontal mills 
Rotary dryers 
Rotary kilns 
Any other massive gear ring application

Positive aspects

One particular SourceOriginal Tools Manufacture (OEM) Technical DrawingsGearing technical knowledge for kilns and grinding millsState of the art producing facilities and qualityGlobal income and provider supportRotary  Kiln Girth Gears

We are major provider the Kiln Girth Gears for the different plants as outlined beneath.

Sponge Iron Plants  50TPD 100TPD 300TPD350TPD,500TPD,1000TPDCement crops as for every customer requirementGears for phosphate mines, Alumina plant, kaolin-bentonite

Equipment Slicing Capacity:

100mm diameter to 16000mm diameter10Module to 70Module

The Kiln girth gears are offered mostly in bi-element, 4 parts, 8 areas or multi segments as for every the need and suitability with the software of equipment.

In the discipline of grinding mill factors, We provide mill heads,feed inlet,grinding roller,cement kiln using ring, casting gears, shaft block .Also we supply mill shell of welding constructions and fabrications.

Good quality assurance documents
The pursuing studies are to be submitted to High quality Assurance:
a. Chemistry report
b. Actual physical report
c. Warmth treatment files
CITIC HMC  Q/HM 973.2-2007
Specification for Metal Castings for Grinding Mills
one 5
d. Ultrasonic inspection report (just before and following repairs)
e. Magnetic particle inspection report (ahead of and following repairs)
f. Dimensional report
g. Weld mend maps
h. Weld techniques and Procedure qualification file
i. Welder qualification
j. Nondestructive testing inspector qualification

 

The specialized requirements of a large CZPT Gear ring:
1) is pretreated ahead of normalizing area hardening treatment method, the hardness need to HB210 ~ 250 mechanical functionality are the greatest power Rb 690MPa, produce tension Rs 490MPa, elongation D5 eleven%, reduction of location W twenty five% , influence toughness Ak 30J enamel induction hardened, hardness HRC50 ~ fifty five powerful hardened layer depth 3 ~ 5mm.
two) all round ultrasonic flaw detection, internal top quality must fulfill 2 requirements GB7233-87 common specifications tooth and fillet magnetic particle inspection, quality should fulfill 2 requirements GB/T9444-88 requirements.
3) Observe the casting is not rounded R5 ~ R10.
four) Tooth chamfer at equally finishes and 1 45b.5) by 2 and a 50 percent ring equipment tooth width of every single ring CZPT together the edge of a entire ring created with high toughness bolts, merged with the tooth surface should be at the base centre.
two massive ring equipment producing method
two.1 of rough
Steel casting blank is offered by CITIC Hefty CZPT Co., Ltd. Weighty Forging plant, operate by GB11352-89 normal specifies specifications for modeling according to the casting method, smelting, casting, strike containers, cleansing, dressing castings. For the duration of inspection and acceptance by the drawings and Technical requirements for metal blank
Checks, in accordance JB/T6402-ninety two specifications issued soon after acceptance
Down treatment.
two.2 roughing
Crossed by drawing and continue to be out allowance, alignment, relationship, processing both inside and exterior the circle, combining face milling, drilling and other processes.
two.3 Exploration damage
General ultrasonic flaw detection, inside quality must satisfy the 2 requirements of GB7233-87 specifications.
2.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering treatment, give a very good group for subsequent area hardening press drawings deformation of the 50 % ring equipment inspection after heat treatment.
two.5 Machining
First 2 and a 50 percent ring is manufactured with high power bolts connecting the ring as a whole, the total procedure by drawing a circle Quannei Wai teeth and upper and lower conclude, and then drawing and machining milling approach needs.
2.6 Elimination of processing pressure
The all round ring annealed to get rid of tension.
2.7 overall ring floor hardening
IF along the alveolar tooth surface induction hardening, hardness HRC50 ~ fifty five, efficient hardened layer depth 3 ~ 5mm.
two.8 Ultimate inspection
Initial, the detection frequency quenching, the hardness right after tempering ring equipment cogging satisfies the needs of the drawings secondly, to detect whether or not the highest outer diameter bigger dimensions D6944 as the deformation 3mm, the mechanical correction necessary right up until certified Thirdly, tooth and fillet magnetic particle inspection, good quality should meet up with 2 needs GB/T9444-88 normal demands Lastly, according to the drawings and complex requirements for closing inspection.

Certifications

Business Profile

Our Rewards

FAQ

Q: Why we think in HangZhou CZPT industries co., ltd:
A: 1. A lot more than thirty a long time expertise.
     2.We are the foremost specialist supplier of mining machinery, building equipment, equipment casting and cast      parts
     3. All merchandise achieved ISO9901:2000 quality management certificate and CE, ROHS certificates.
 
Q:Supply time
A: elements guide time 1-2months, devices 2-3months.
 
Q:Payment terms
A: Take payment variety: T/T, L/C, Western union,Funds.
30% deposit when signed contract. Complete payment paid out prior to delivery
 
Q: Quality guarantee?
A: promise time: 1 yr for main machinery. If something mistaken we will supply the technological tips and find solution immediately. For these donning components we guarantee higher high quality areas for extended-phrase offer.
 
Q: Right after product sales provider?
A: we can provide specialized CZPT for devices running take a look at and areas upkeep if conclude person needs.
 

Right after Revenue Provider

ZTIC Weighty Industries is your company partner in the After Marketplace.
ZTIC  CZPT to supply:
one.    ENGINEERED SPARES –  Design and style AND Producing
2.    Massive Quantity Steel AND IRON CASTING FOUNDARIES
3.    Huge Equipment Store Abilities
4.    Instruction PROGRAMMES
five.    PREVENTATIVE Servicing Programs
six.    PREVETATIVE Upkeep Companies
seven.    Complete Upkeep Applications

 ZTIC’s Discipline Services Engineers are educated specifically in the CITIC model team items but are able of endeavor the servicing of other OEM brand names.
Our specialists are outfitted with the most advanced technological diagnostic products available to problems shoot your equipment to optimise performance and minimise down time.
ZTIC also has an substantial capability in supplying all you consumable and electrical/ mechanical spare part demands.
 

The principal gain of worm gears is their ability to give substantial reduction ratios and correspondingly high torque multipliers. They can also be used as reducers for low to medium velocity programs. Also, because their reduction ratio is dependent on the number of teeth on the gear, they are a lot more compact than other types of gears. Like wonderful pitch leadscrews, worm gears are generally self-locking, creating them perfect for hoisting and hoisting purposes.