1. فتحة مدفوعة بنقطة الألم

Are you managing the high costs and operational bottlenecks of primary rock reduction? Inefficient crushing directly impacts your entire downstream process. وتشمل التحديات المشتركة:

التوقف المفرط للصيانة: Frequent liner changes and unplanned repairs halt your entire production line, تكلف الآلاف في الساعة من الإنتاجية المفقودة.
تدرج المنتج غير متناسق: Poorly sized feed from the primary stage overloads secondary crushers and screens, creating recirculation loads that waste energy and capacity.
تكاليف تشغيلية عالية: Premature wear on consumables like mantles and concaves, combined with high energy consumption per ton, erodes your profit margins.
الضعف أمام المعدن المتشرد & غير قابلة للسحق: Unprotected crushers face catastrophic damage from uncrushable material, leading to severe repair costs and extended downtime.

Is your primary crushing circuit a source of reliability or a recurring cost center? The right primary stone crusher machine is not just an equipment purchase; it's a strategic decision for plantwide efficiency.

2. نظرة عامة على المنتج

ال كسارة الفك الأولية is a heavyduty, compressiveforce machine designed for the first stage of size reduction in quarrying, التعدين, and demolition recycling operations. It processes runofmine (ذاكرة للقراءة فقط) material directly from the blast site or feed hopper into a coarse aggregate suitable for secondary crushing.

سير العمل التشغيلي:
1. تناول الأعلاف: ROM material (ما يصل الى 80% of crusher feed opening) is loaded into the vibrating grizzly feeder (فجفف فجفف), which bypasses fines and directs oversize to the crushing chamber.
2. سحق ضاغطة: A reciprocating manganese steel jaw plate (moving jaw) exerts immense force against a fixed jaw plate, تكسير الصخور على طول خطوط الانقسام الطبيعية.
3. تعديل إعداد التفريغ: The size of the crushed output is determined by the closedside setting (CSS), hydraulically adjustable to compensate for wear and change product specification.
4. تسريح & نقل: Crushed material exits at the bottom discharge point onto a main conveyor belt for transport to the next processing stage.

نطاق التطبيق & القيود:
نِطَاق: مثالية للصعب, المواد الكاشطة (الجرانيت, البازلت, الكوارتزيت). Handles large feed sizes effectively. Suitable for both stationary plants and mobile tracked setups.
القيود: ليست مثالية للناعمة, nonabrasive stone where impact crushers may be more efficient. Requires a consistent feed rate and size distribution for optimal performance. Generates more fines than gyratory crushers at comparable settings.

3. الميزات الأساسية

غرفة التكسير العميق | الأساس الفني: Optimized nip angle and long linear stroke | المنفعة التشغيلية: Increases capacity by providing greater volume for material reduction in each cycle | تأثير عائد الاستثمار: Higher throughput per hour reduces costperton metric

بناء الإطار الثقيل | الأساس الفني: Fabricated from hightensile steel plate with reinforced stress points | المنفعة التشغيلية: Provides longterm structural integrity under maximum load conditions, resisting fatigue | تأثير عائد الاستثمار: Extends machine service life beyond 20 سنين, حماية استثمار رأس المال

تبديل هيدروليكي & نظام التكيف | الأساس الفني: Replaces traditional mechanical toggle plates with a hydraulic ram | المنفعة التشغيلية: Allows quick, safe CSS adjustment and provides automatic overload protection by releasing under uncrushable pressure | تأثير عائد الاستثمار: Reduces downtime for setting changes by up to 70% and prevents costly damage from tramp iron

QuarryGrade Spherical Roller Bearings | الأساس الفني: Larger diameter bearings housed in precisionmachined pits | المنفعة التشغيلية: Supports higher load capacities and runs cooler than standard bearings under continuous heavy shock loads | تأثير عائد الاستثمار: Extends bearing service life by 4060%, reducing spare parts inventory and replacement labor costs

Wedge Locking System for Jaw Plates | الأساس الفني: Mechanically locked wedges secure jaw plates without backing resin | المنفعة التشغيلية: Enables faster, safer liner changes—often completed in under two hours—and ensures secure fit during operation | تأثير عائد الاستثمار: Minimizes maintenance windows by up to 50%, increasing annual available operating hours

قاعدة محرك متكاملة & محرك الحزام | الأساس الفني: Crusher flywheel motor mount and vbelt drive guard are factoryassembled units | المنفعة التشغيلية: Simplifies installation alignment reduces footprint ensures correct belt tensioning from startup | ROI Impact Lowers installation time and cost eliminates premature belt wear issues

4. المزايا التنافسية

| مقياس الأداء | معيار الصناعة | Primary Jaw Crusher Solution | ميزة (% تحسين) |
|||||
| وقت تغيير الخطوط الملاحية المنتظمة | 68 ساعات (mechanical toggle) | 94% | >4 percentage point increase |
| Wear Life of Jaw Plates | Based on standard manganese | Proprietary Mn22 alloy with curve profiling| حتى 30% longer life |
| Throughput at Same CSS Baseline Deep chamber & aggressive stroke Up to 10% higher capacity |

5. المواصفات الفنية

سعة نطاق النموذج: 150 1,600 Mtph
نطاق فتح التغذية: 800mm x 500mm up to 1,500mm x 1,300mm
متطلبات الطاقة: 75 كيلوواط 300 كيلوواط (100 HP 400 HP), اعتمادا على النموذج
وزن كسارة (إطار & الحذافات): ~20,000 kg to ~85,000 kg
مواصفات المواد: Main frame – Steel Plate ST52; Jaw plates – Manganese Steel Mn18Cr2 or Mn22Cr; Eccentric shaft – Forged Alloy Steel EN24
الأبعاد المادية (تقريبا., Largest Model): Length ~6m; Width ~3.5m; الارتفاع ~ 3.8 م
نطاق التشغيل البيئي: مصمم لدرجات الحرارة المحيطة من 20 درجة مئوية إلى +45 درجة مئوية. Dust seals rated for typical quarry conditions.

6. سيناريوهات التطبيق

مشروع توسعة محجر الجرانيت

Challenge A quarry needed to increase primary circuit throughput by25% without expanding its footprint or changing feed size Secondary crushers were being starved
Solution Installation of a single highcapacity deepchamber jaw crusher replaced two older units The hydraulic adjustment system allowed quick optimization between railroad ballastand coarse aggregate production
Results Throughput increased by30% Power consumption per ton dropped by12% The abilityto switch products in minutes captured premium market prices resulting in an18month payback period

Urban Recycling Center Processing Demolition Concrete

Challenge Processing highly variable reinforced demolition concrete caused frequent jamsand damagein existing equipment Uncrushable rebar poseda constant threat
Solution A heavyduty jaw crusherwithan automatic hydraulic overload protection system was implemented A magnetic separator was installed onthe discharge conveyor
Results The crusher hydraulically released three major tramp metal events inthe first year preventingan estimated $120000in repair downtime Product consistency improved enablingthe recycled aggregate tomeet DOTspecificationsfor base material

7 الاعتبارات التجارية

Equipment pricing tiers are typically structured around feed opening sizeand capacity:
المستوى1(Entry/Medium Duty): Forfeed openings upto~1000mm x650mm Idealfor stationary plantsor mobile units
المستوى 2(Heavy Duty Quarry Class): Forfeed openings upto~1300mm x1000mm Themost common rangefor highproduction aggregatesites
المستوى 3(Superior Primary Station): Forfeed openings exceeding1300mm Designedfor largestationary miningand megaquarry applications

الميزات الاختيارية:
Hydraulic gap setting adjustment vs manual shim adjustment Automated lubrication systems Centralized greasing points Rock breaker boom systems foreliminating bridging Custom painted finishes forspecific site requirements

حزم الخدمة:
Standard warranty covering partsand laborfor12months Extended warranty plansupto36months Onsite commissioning supervision Annual inspection contracts Remote monitoring hardware/software packages

خيارات التمويل:
Capital purchase Leasetoown agreements Operating leases withfullservice included Consortium financing formajor projects Tradein programs forexisting equipment

8 التعليمات

Q Whatis themaximum rocksize Icanfeed intoa jawcrusher?
A Themaximum feedsize shouldnot exceed80%ofthe widthofthe feedopening Forexample acrusherwitha1200mmx800mm opening canaccept lumpsofupto~960mmin width

Q Howdoesthe hydraulic toggle systemprotectthecrusher?
A Itfunctions asbothan adjustmentsystemandan overload safetydevice Whenuncrushable material enters thechamber pressure exceedsaset threshold causingthe hydraulic ramtorelease andreducetheCSS allowingthe object topass Thesystemthen automatically resets

Q Arejawcrushers suitablefor processing highly abrasive materials?
A Yes theyareexceptionally wellsuited Manganese steeljawplates workharden duringoperation developinga surface layer thatsignificantly improves wearresistancein abrasive applications Regular rotationofreversible plates extends servicelife further

Q Whatisthetypical operational noise level?
A Sound power levels typically rangebetween115125dBAatone meter dependingonmaterial beingcrushed Proper acoustic enclosuresor screening canbe specified tomeet local environmental regulations

Q Canyou provide assistancewithfoundation designand installation?
A Yes comprehensive foundation drawingsincludingallstaticand dynamic loadsareprovided as part ofthe technical documentation packagesite layout advisory servicesarealso available