Girth Gears: Rotary kiln Girth Gear,ball mill Girth Gear
Girth Gears offered find in depth application in distinct sector sectors including in sponge iron plants, steel & cement market, mining business, wind mills as nicely as in other business sectors. These are produced available in module range of 10 Module to 70 Module and in bare minimum diameters of a hundred mm to 15000 mm. Even more, these comprise greatest bodyweight of 70 MT single parts. Here the range of hardened & ground gear packing containers&solgears comprise Worm gear boxes, Helical &sol Double helical gears&solgearboxes, Helical-Bevel gearboxes, Planetary Gearboxes and other folks.
ZTIC Gear Cutting Devices contain:
Ø16m CNC Hobbing Device
Ø12m Gear Slicing Device &lparSwitzerland)
Ø10m Hobbing Equipment &lparGermany)
Ø4m CNC Large Speed Hobbing Device &lparGermany)
Ø1.6m Horizontal CHC Hobbing Device &lparGermany)
Ø5m CNC Profile Gear Grinding Device &lparGermany)
Ø2.8m CNC Profile Equipment Grinding Device &lparGermany)
Ø1.25m CNC Profile Equipment Grinding Device &lparGermany)
Ø1m CNC Profile Gear Grinding Machine &lparGermany)
Ø0.8m CNC Profile Equipment Grinding Device &lparGermany)
Module Assortment: ten Module to 70 Module.
Diameter : Min a hundred mm to16000 mm.
Weight : Max a hundred and twenty MT solitary piece.
Hardened & Floor Equipment Packing containers&solGears:
Worm equipment bins
Helical &sol Double helical gears&solgearboxes
Hardened & Ground Helical- CZPT & Spiral-bevels gears&solgearboxes.
Rack & Pinions
Min 3 hp to Max 1400 hp
Splash &sol Compelled lubrication type
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With far more than 1000 girth gears bought over the world CZPT Equipment is a leading provider in the cement and mineral business. And as member of AGMA &lparAmerican Gear Makers Association), we do actively take component in defining the standard for equipment score calculations and service variables.
We provide girth gears in 3 diverse styles
– forged ring
– rolled plate
Ductile &lparNodular) cast iron
Fabricated gears turned more widespread in the past and are constructed with solid steel equipment rim resources and electro welded physique composition. The rings are created from a total block of large resistance alloy metal. Right after the rough machining of the ring, we carry out hardening and tempering heat treatment in buy to improve the mechanical characteristic and for that reason its pertinent efficiency.
Avantages of fabricated girth gears
The solid material composition excludes the risk of inclusions
Structure flaws like gasoline holes, CZPT shrinkage, pin holes, sizzling tears, sand and slag inclusions are averted
Consequently, fix welding of the entire body structure and e.g. grinding of toothed locations is not essential.
The fabricated production process excludes the want for patterns and risers
Rim materials has larger hardness and increased power than the material used for the underlying construction &lpari.e. world wide web, gussets)
These features will reduce the guide time and charges. Fabricated production ensures a fast shipping.
This is specially beneficial in an emergency circumstance, where the current equipment rim is struggling from damage
Optimum diameter: 16000 mm
Toothed confront width: 1700 mm
Optimum module: 45 by hob
Maximum module: 65 gear ending cutter
Optimum Diameter: 6500 mm
Optimum module: twenty five.4
Toothed encounter width: four hundred mm
Forging content process
Control on production
Ultrasonic tests and dimensional inspection
Final inspection certification
UNI EN ISO
Our girth gears are applied in the cement and minerals industries:
Different varieties of horizontal mills
Any other big gear ring software
ZTIC Gear invested in significant assets and attained many improvements with pinions. The proper mixture of material, hardness and ending in between pinion and equipment is crucial for a extended lifetime of the set up equipment. We style and manufacture pinions to match each and every clients need to have, no issue how CZPT the situation may possibly be.
solid on shaft &sol integral
spur, helical or double helical
solid alloyed metal
via hardened, situation hardened or quenched and tempered
Spur, helical or double helical
gear cutting with hobs
the gear good quality is checked by profile tester
tooth flank modification
– profile correction
– direct correction &lparstraight&solbarrel)
designs &solratios in accordance to ISO-DIN-A.G.M.A.
FEM&solFEA simulation software
UNI EN ISO
Our pinions are used in the cement and minerals industries:
Ball – mills
ROD – mills
Semi Autogeneous Grind &lparSAG)
Original Gear Manufacture &lparOEM) Technological Drawings
Gearing technological expertise for kilns and grinding mills
Condition of the art production services and top quality
Global revenue and service assistance
Rotary Kiln Girth Gears
We are leading provider the Kiln Girth Gears for the various crops as detailed below.
Sponge Iron Plants 50TPD 100TPD 300TPD350TPD,500TPD,1000TPD
Cement crops as for each buyer prerequisite
Gears for phosphate mines, Alumina plant, kaolin-bentonite
Equipment Reducing Potential:
100mm diameter to 16000mm diameter
10Module to 70Module
The Kiln girth gears are accessible mainly in bi-element, 4 elements, 8 elements or multi segments as for every the requirement and suitability with the software of gear.
In the subject of grinding mill parts, We supply mill heads,feed inlet,grinding roller,cement kiln using ring, casting gears, shaft block .Also we source mill shell of welding constructions and fabrications.
Top quality assurance paperwork
The subsequent reviews are to be submitted to Top quality Assurance:
a. Chemistry report
b. Actual physical report
c. Heat remedy paperwork
CITIC HMC Q&solHM 973.2-2007
Specification for Metal Castings for Grinding Mills
d. Ultrasonic inspection report &lparbefore and soon after repairs)
e. Magnetic particle inspection report &lparbefore and right after repairs)
f. Dimensional report
g. Weld repair maps
h. Weld techniques and Procedure qualification file
i. Welder qualification
j. Nondestructive tests inspector qualification
The specialized demands of a massive CZPT Equipment ring:
one) is pretreated ahead of normalizing floor hardening remedy, the hardness ought to HB210 ~ 250&semi mechanical functionality are the ultimate strength Rb &bsol 690MPa, produce tension Rs &bsol 490MPa, elongation D5 &bsol eleven&percnt, reduction of spot W &bsol twenty five&percnt , affect toughness Ak &bsol 30J&semi tooth induction hardened, hardness HRC50 ~ fifty five&semi effective hardened layer depth &bsol 3 ~ 5mm.
2) general ultrasonic flaw detection, inner top quality need to fulfill 2 requirements GB7233-87 standard demands&semi tooth and fillet magnetic particle inspection, high quality need to satisfy 2 needs GB&solT9444-88 specifications.
three) Observe the casting is not rounded R5 ~ R10.
four) Tooth chamfer at each finishes and 1 45b.5) by 2 and a fifty percent ring gear tooth width of each and every ring CZPT along the edge of a entire ring manufactured with substantial toughness bolts, combined with the tooth surface area must be at the bottom heart.
two big ring equipment production process
2.1 of tough
Metal casting blank is offered by CITIC Large CZPT Co., Ltd. Large Forging plant, run by GB11352-89 standard specifies requirements for modeling according to the casting process, smelting, casting, strike bins, cleaning, dressing castings&semi. During inspection and acceptance by the drawings and Technical demands for metal blank
Checks, in accordance JB&solT6402-ninety two standards issued soon after acceptance
Crossed by drawing and stay out allowance, alignment, relationship, processing the two within and outside the house the circle, combining encounter milling, drilling and other procedures.
2.3 Exploration injury
All round ultrasonic flaw detection, inside quality must meet up with the 2 demands of GB7233-87 expectations.
2.4 normalizing pretreatment
Semi-ring pairs normalizing and tempering treatment, offer a great firm for subsequent surface hardening&semi press drawings deformation of the 50 % ring equipment inspection after heat remedy.
Very first 2 and a 50 percent ring is created with substantial strength bolts connecting the ring as a complete, the all round procedure by drawing a circle Quannei Wai tooth and upper and decrease stop, and then drawing and machining milling method requirements.
two.6 Elimination of processing stress
The overall ring annealed to eliminate tension.
two.7 total ring floor hardening
IF alongside the alveolar tooth surface area induction hardening, hardness HRC50 ~ fifty five, successful hardened layer depth &bsol 3 ~ 5mm.
two.8 Closing inspection
First, the detection frequency quenching, the hardness right after tempering ring gear cogging satisfies the specifications of the drawings&semi next, to detect regardless of whether the highest outer diameter bigger dimensions D6944 as the deformation &bsol 3mm, the mechanical correction essential till competent&semi Thirdly, tooth and fillet magnetic particle inspection, high quality ought to meet 2 needs GB&solT9444-88 standard demands&semi Last but not least, according to the drawings and technical specifications for ultimate inspection.
The recommended components for the worm are hardened steel and bronze for the worm gear. Nonetheless, relying on the software, unhardened steel worms can run sufficiently and much more economically on solid iron worm gears rated at 50%. In addition to steel and hardened metal, worms are offered in stainless metal, aluminum, bronze, and nylon worm gears are obtainable in metal, hardened metal, stainless metal, aluminum, nylon, and non-metallic (phenolic).